|
|
|
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
|
|
|
|
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
|
|
|
|
VALUES (1,'A',2), (2,'A',4), (3,'A',9), (4,'A',15), (5,'A',25),
|
|
|
|
(6,'A',35), (7,'A',50), (8,'A',64), (9,'A',81);
|
|
|
|
INSERT INTO t3 VALUES ('A','B',1,'B',1), ('X','Y',2,'B',1), ('X','X',3,'B',1);
|
|
|
|
INSERT INTO t3 VALUES ('A','C',1,'B',2), ('X','Z',2,'B',2), ('A','A',3,'B',2);
|
|
|
|
INSERT INTO t6 VALUES ('A','B',1), ('X','Y',2), ('X','X',3);
|
|
|
|
INSERT INTO t6 VALUES ('A','C',4), ('X','Z',5), ('A','A',6);
|
|
|
|
INSERT INTO t5 VALUES ('A','B',1), ('X','Y',2), ('X','X',3);
|
|
|
|
INSERT INTO t5 VALUES ('A','C',4), ('X','Z',5), ('A','A',6);
|