DROP TABLE IF EXISTS t1,t2,T1,T2,t3,T3; DROP DATABASE IF EXISTS `TEST_$1`; DROP DATABASE IF EXISTS `test_$1`; CREATE TABLE T1 (a int); INSERT INTO T1 VALUES (1); SHOW TABLES LIKE "T1"; Tables_in_test (T1) T1 SHOW TABLES LIKE "t1"; Tables_in_test (t1) T1 SHOW CREATE TABLE T1; Table Create Table T1 CREATE TABLE `T1` ( `a` int(11) default NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 RENAME TABLE T1 TO T2; SHOW TABLES LIKE "T2"; Tables_in_test (T2) T2 SELECT * FROM t2; a 1 RENAME TABLE T2 TO t3; SHOW TABLES LIKE "T3"; Tables_in_test (T3) t3 RENAME TABLE T3 TO T1; SHOW TABLES LIKE "T1"; Tables_in_test (T1) T1 ALTER TABLE T1 add b int; SHOW TABLES LIKE "T1"; Tables_in_test (T1) T1 ALTER TABLE T1 RENAME T2; SHOW TABLES LIKE "T2"; Tables_in_test (T2) T2 LOCK TABLE T2 WRITE; ALTER TABLE T2 drop b; SHOW TABLES LIKE "T2"; Tables_in_test (T2) T2 UNLOCK TABLES; RENAME TABLE T2 TO T1; SHOW TABLES LIKE "T1"; Tables_in_test (T1) T1 SELECT * from T1; a 1 DROP TABLE T1; CREATE DATABASE `TEST_$1`; SHOW DATABASES LIKE "TEST%"; Database (TEST%) TEST_$1 DROP DATABASE `test_$1`; CREATE TABLE T1 (a int) engine=innodb; INSERT INTO T1 VALUES (1); SHOW TABLES LIKE "T1"; Tables_in_test (T1) T1 SHOW TABLES LIKE "t1"; Tables_in_test (t1) T1 SHOW CREATE TABLE T1; Table Create Table T1 CREATE TABLE `T1` ( `a` int(11) default NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 RENAME TABLE T1 TO T2; SHOW TABLES LIKE "T2"; Tables_in_test (T2) t2 SELECT * FROM t2; a 1 RENAME TABLE T2 TO t3; SHOW TABLES LIKE "T3"; Tables_in_test (T3) t3 RENAME TABLE T3 TO T1; SHOW TABLES LIKE "T1"; Tables_in_test (T1) t1 ALTER TABLE T1 add b int; SHOW TABLES LIKE "T1"; Tables_in_test (T1) t1 ALTER TABLE T1 RENAME T2; SHOW TABLES LIKE "T2"; Tables_in_test (T2) t2 LOCK TABLE T2 WRITE; ALTER TABLE T2 drop b; SHOW TABLES LIKE "T2"; Tables_in_test (T2) t2 UNLOCK TABLES; RENAME TABLE T2 TO T1; SHOW TABLES LIKE "T1"; Tables_in_test (T1) t1 SELECT * from T1; a 1 DROP TABLE T1; create table T1 (EVENT_ID int auto_increment primary key, LOCATION char(20)); insert into T1 values (NULL,"Mic-4"),(NULL,"Mic-5"),(NULL,"Mic-6"); SELECT LOCATION FROM T1 WHERE EVENT_ID=2 UNION ALL SELECT LOCATION FROM T1 WHERE EVENT_ID=3; LOCATION Mic-5 Mic-6 SELECT LOCATION FROM T1 WHERE EVENT_ID=2 UNION ALL SELECT LOCATION FROM T1 WHERE EVENT_ID=3; LOCATION Mic-5 Mic-6 SELECT LOCATION FROM T1 WHERE EVENT_ID=2 UNION ALL SELECT LOCATION FROM T1 WHERE EVENT_ID=3; LOCATION Mic-5 Mic-6 drop table T1; create table T1 (A int); alter table T1 add index (A); show tables like 'T1%'; Tables_in_test (T1%) T1 alter table t1 add index (A); show tables like 't1%'; Tables_in_test (t1%) t1 drop table t1;