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c92b9b7315
for general use. mysql-test/Makefile.am: Adding directories of additional test suites mysql-test/mysql-stress-test.pl: Adding check for additional errors checking during test run
6379 lines
273 KiB
Text
6379 lines
273 KiB
Text
DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(c1 CHAR(1) NULL, c2 CHAR(1) NULL, c3 INT NULL);
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TRUNCATE TABLE t1;
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
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SELECT c1 FROM t1 GROUP BY c1;
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c1
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a
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b
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c
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SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
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c1 COUNT(*)
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a 81
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b 99
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c 90
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SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1;
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c1 COUNT(*) MAX(c3)
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a 81 9
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SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1;
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c1 COUNT(*) MAX(c3)
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a 81 9
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SELECT c1,c2 FROM t1 GROUP BY c1,c2;
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c1 c2
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a a
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a b
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a c
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a d
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b a
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b b
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b c
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b e
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b z
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c a
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c b
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c c
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c d
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c f
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SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
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c1 c2 COUNT(*)
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a a 18
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a b 27
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a c 18
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a d 18
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b a 27
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b b 18
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b c 18
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b e 18
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b z 18
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c a 9
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c b 9
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c c 36
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c d 18
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c f 18
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SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1,c2;
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c1 c2 COUNT(*) MAX(c3)
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a a 18 9
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a b 27 9
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a c 18 4
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a d 18 5
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SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1,c2;
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c1 c2 COUNT(*) MAX(c3)
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a a 18 9
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a b 27 9
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a c 18 4
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a d 18 5
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SELECT c2,c1 FROM t1 GROUP BY c2,c1;
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c2 c1
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a a
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a b
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a c
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b a
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b b
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b c
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c a
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c b
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c c
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d a
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d c
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e b
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f c
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z b
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SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
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c2 c1 COUNT(*)
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a a 18
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a b 27
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a c 9
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b a 27
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b b 18
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b c 9
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c a 18
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c b 18
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c c 36
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d a 18
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d c 18
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e b 18
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f c 18
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z b 18
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SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c2,c1;
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c2 c1 COUNT(*) MAX(c3)
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a a 18 9
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b a 27 9
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c a 18 4
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d a 18 5
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SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c2,c1;
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c2 c1 COUNT(*) MAX(c3)
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a a 18 9
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b a 27 9
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c a 18 4
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d a 18 5
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DROP TABLE t1;
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CREATE TABLE t1(c1 CHAR(1) NULL, c2 CHAR(1) NULL, c3 INT NULL);
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TRUNCATE TABLE t1;
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
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INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
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SELECT c1 FROM t1 GROUP BY c1;
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c1
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a
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b
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c
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SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
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c1 COUNT(*)
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a 81
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b 99
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c 90
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SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1;
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c1 COUNT(*) MAX(c3)
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b 99 9
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SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 CHAR(1) NULL, c2 CHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 CHAR(1) NULL, c2 CHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 CHAR(1) NULL, c2 CHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 CHAR(1) NULL, c2 CHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 CHAR(1) NULL, c2 CHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARCHAR(1) NULL, c2 VARCHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARCHAR(1) NULL, c2 VARCHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARCHAR(1) NULL, c2 VARCHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARCHAR(1) NULL, c2 VARCHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARCHAR(1) NULL, c2 VARCHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARCHAR(1) NULL, c2 VARCHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARCHAR(1) NULL, c2 VARCHAR(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BINARY(1) NULL, c2 BINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BINARY(1) NULL, c2 BINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BINARY(1) NULL, c2 BINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BINARY(1) NULL, c2 BINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BINARY(1) NULL, c2 BINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BINARY(1) NULL, c2 BINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BINARY(1) NULL, c2 BINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARBINARY(1) NULL, c2 VARBINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARBINARY(1) NULL, c2 VARBINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARBINARY(1) NULL, c2 VARBINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARBINARY(1) NULL, c2 VARBINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARBINARY(1) NULL, c2 VARBINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARBINARY(1) NULL, c2 VARBINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 VARBINARY(1) NULL, c2 VARBINARY(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BLOB(1) NULL, c2 BLOB(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BLOB(1) NULL, c2 BLOB(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BLOB(1) NULL, c2 BLOB(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BLOB(1) NULL, c2 BLOB(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BLOB(1) NULL, c2 BLOB(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BLOB(1) NULL, c2 BLOB(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 BLOB(1) NULL, c2 BLOB(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 TEXT(1) NULL, c2 TEXT(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
a 81 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
a b 27 9
|
|
a c 18 4
|
|
a d 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='a' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a a 18 9
|
|
b a 27 9
|
|
c a 18 4
|
|
d a 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 TEXT(1) NULL, c2 TEXT(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
b 99 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
b a 27 9
|
|
b b 18 3
|
|
b c 18 6
|
|
b e 18 4
|
|
b z 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='b' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a b 27 9
|
|
b b 18 3
|
|
c b 18 6
|
|
e b 18 4
|
|
z b 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 TEXT(1) NULL, c2 TEXT(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
c 90 9
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
c a 9 5
|
|
c b 9 5
|
|
c c 36 9
|
|
c d 18 9
|
|
c f 18 5
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='c' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
a c 9 5
|
|
b c 9 5
|
|
c c 36 9
|
|
d c 18 9
|
|
f c 18 5
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 TEXT(1) NULL, c2 TEXT(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='d' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 TEXT(1) NULL, c2 TEXT(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='e' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 TEXT(1) NULL, c2 TEXT(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='f' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(c1 TEXT(1) NULL, c2 TEXT(1) NULL, c3 INT NULL);
|
|
TRUNCATE TABLE t1;
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',1), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',1), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',1), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',1), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',3), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',3), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',3), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',3), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',2), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',2), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',2), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',2), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',7), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',7), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',7), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',7), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',6), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',6), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',6), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',6), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',4), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',4), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',4), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',4), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',5), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',5), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',5), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',5), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',9), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',9), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',9), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',9), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','a',8), ('a','a',2), ('a','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','a',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','a',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('a','b',8), ('a','b',2), ('b','b',3), ('a','c',4), ('a','d',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('b','b',1), ('b','a',8), ('b','c',6), ('b','e',4), ('b','z',5);
|
|
INSERT INTO t1 (c1,c2,c3) VALUES ('c','b',5), ('c','c',7), ('c','c',8), ('c','d',9), ('c','f',5);
|
|
SELECT c1 FROM t1 GROUP BY c1;
|
|
c1
|
|
a
|
|
b
|
|
c
|
|
SELECT c1,COUNT(*) FROM t1 GROUP BY c1;
|
|
c1 COUNT(*)
|
|
a 81
|
|
b 99
|
|
c 90
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1;
|
|
c1 COUNT(*) MAX(c3)
|
|
SELECT c1,c2 FROM t1 GROUP BY c1,c2;
|
|
c1 c2
|
|
a a
|
|
a b
|
|
a c
|
|
a d
|
|
b a
|
|
b b
|
|
b c
|
|
b e
|
|
b z
|
|
c a
|
|
c b
|
|
c c
|
|
c d
|
|
c f
|
|
SELECT c1,c2,COUNT(*) FROM t1 GROUP BY c1,c2;
|
|
c1 c2 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 18
|
|
a d 18
|
|
b a 27
|
|
b b 18
|
|
b c 18
|
|
b e 18
|
|
b z 18
|
|
c a 9
|
|
c b 9
|
|
c c 36
|
|
c d 18
|
|
c f 18
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c1,c2,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c1,c2;
|
|
c1 c2 COUNT(*) MAX(c3)
|
|
SELECT c2,c1 FROM t1 GROUP BY c2,c1;
|
|
c2 c1
|
|
a a
|
|
a b
|
|
a c
|
|
b a
|
|
b b
|
|
b c
|
|
c a
|
|
c b
|
|
c c
|
|
d a
|
|
d c
|
|
e b
|
|
f c
|
|
z b
|
|
SELECT c2,c1,COUNT(*) FROM t1 GROUP BY c2,c1;
|
|
c2 c1 COUNT(*)
|
|
a a 18
|
|
a b 27
|
|
a c 9
|
|
b a 27
|
|
b b 18
|
|
b c 9
|
|
c a 18
|
|
c b 18
|
|
c c 36
|
|
d a 18
|
|
d c 18
|
|
e b 18
|
|
f c 18
|
|
z b 18
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
SELECT c2,c1,COUNT(*),MAX(c3) FROM t1 WHERE c1='y' OR c2 = '#C2' GROUP BY c2,c1;
|
|
c2 c1 COUNT(*) MAX(c3)
|
|
DROP TABLE t1;
|