DROP TABLE IF EXISTS t1,t2,t3,t2aA,t1Aa; DROP DATABASE IF EXISTS `TEST_$1`; DROP DATABASE IF EXISTS `test_$1`; DROP DATABASE IF EXISTS mysqltest_LC2; 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 test 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; create temporary table T1(a int(11), b varchar(8)); insert into T1 values (1, 'abc'); select * from T1; a b 1 abc alter table T1 add index (a); select * from T1; a b 1 abc drop table T1; create database mysqltest_LC2; use mysqltest_LC2; create table myUC (i int); insert into myUC values (1),(2),(3); select * from myUC; i 1 2 3 use test; drop database mysqltest_LC2; create database mysqltest_LC2; use mysqltest_LC2; create table myUC (i int); select * from myUC; i use test; drop database mysqltest_LC2; create table t2aA (col1 int); create table t1Aa (col1 int); select t1Aa.col1 from t1aA,t2Aa where t1Aa.col1 = t2aA.col1; col1 drop table t2aA, t1Aa; create database mysqltest_LC2; use mysqltest_LC2; create table myUC (i int); select TABLE_SCHEMA,TABLE_NAME FROM information_schema.TABLES where TABLE_SCHEMA ='mysqltest_LC2'; TABLE_SCHEMA TABLE_NAME mysqltest_lc2 myUC use test; drop database mysqltest_LC2;