mirror of
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synced 2025-01-19 05:22:25 +01:00
147 lines
4.5 KiB
Text
147 lines
4.5 KiB
Text
DROP TABLE IF EXISTS t1, t2;
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CREATE TABLE t1 (a <INT_COLUMN>, c <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
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INSERT INTO t1 (a,c) VALUES (1,'a'),(5,'z');
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ALTER TABLE t1 ADD COLUMN b <INT_COLUMN>;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`c` char(8) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 ALTER COLUMN a SET DEFAULT '0';
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT 0,
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`c` char(8) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 ALTER a DROP DEFAULT;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11),
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`c` char(8) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 CHANGE COLUMN b b1 <CHAR_COLUMN> FIRST;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`b1` char(8) DEFAULT NULL,
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`a` int(11),
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`c` char(8) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 CHANGE b1 b <INT_COLUMN> AFTER c;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11),
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`c` char(8) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 CHANGE b b <CHAR_COLUMN>;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11),
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`c` char(8) DEFAULT NULL,
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`b` char(8) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 MODIFY COLUMN b <INT_COLUMN>;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11),
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`c` char(8) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 MODIFY COLUMN b <CHAR_COLUMN> FIRST;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`b` char(8) DEFAULT NULL,
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`a` int(11),
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`c` char(8) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 MODIFY COLUMN b <INT_COLUMN> AFTER a;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11),
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`b` int(11) DEFAULT NULL,
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`c` char(8) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 DROP COLUMN b;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11),
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`c` char(8) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 RENAME TO t2;
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SHOW CREATE TABLE t1;
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ERROR 42S02: Table 'test.t1' doesn't exist
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` int(11),
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`c` char(8) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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DROP TABLE t2;
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CREATE TABLE t1 (a <INT_COLUMN>, b <INT_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
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INSERT INTO t1 (a,b) VALUES (1,5),(2,2),(4,3);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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ALTER TABLE t1 ORDER BY b ASC, a DESC;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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SELECT a,b FROM t1;
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a b
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2 2
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4 3
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1 5
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DROP TABLE t1;
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CREATE TABLE t1 (a <INT_COLUMN>, b <CHAR_COLUMN>, c <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS> CHARACTER SET latin1 COLLATE latin1_general_cs;
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INSERT INTO t1 (a,b,c) VALUES (5,'z','t');
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` char(8) COLLATE latin1_general_cs DEFAULT NULL,
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`c` char(8) COLLATE latin1_general_cs DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1 COLLATE=latin1_general_cs
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ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` char(8) DEFAULT NULL,
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`c` char(8) DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=utf8
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ALTER TABLE t1 DEFAULT CHARACTER SET = latin1 COLLATE latin1_general_ci;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` char(8) CHARACTER SET utf8 DEFAULT NULL,
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`c` char(8) CHARACTER SET utf8 DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci
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ALTER TABLE t1 FORCE;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` char(8) CHARACTER SET utf8 DEFAULT NULL,
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`c` char(8) CHARACTER SET utf8 DEFAULT NULL
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci
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DROP TABLE t1;
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