drop table if exists t1; drop database if exists mysqltest; drop database if exists client_test_db; drop table t1; ERROR 42S02: Unknown table 't1' create table t1(n int); insert into t1 values(1); create temporary table t1( n int); insert into t1 values(2); create table t1(n int); ERROR 42S01: Table 't1' already exists drop table t1; select * from t1; n 1 create database mysqltest; drop database if exists mysqltest; create database mysqltest; create table mysqltest.mysqltest (n int); insert into mysqltest.mysqltest values (4); select * from mysqltest.mysqltest; n 4 drop database if exists mysqltest; affected rows: 1 create database mysqltest; use mysqltest; drop table table1, table2, table3, table4, table5, table6, table7, table8, table9, table10, table11, table12, table13, table14, table15, table16, table17, table18, table19, table20, table21, table22, table23, table24, table25, table26, table27, table28; ERROR 42S02: Unknown table 'table1,table2,table3,table4,table5,table6,table7,table8,table9,table10,table11,table12,table13,table' drop table table1, table2, table3, table4, table5, table6, table7, table8, table9, table10, table11, table12, table13, table14, table15, table16, table17, table18, table19, table20, table21, table22, table23, table24, table25, table26, table27, table28, table29, table30; ERROR 42S02: Unknown table 'table1,table2,table3,table4,table5,table6,table7,table8,table9,table10,table11,table12,table13,table' use test; drop database mysqltest; flush tables with read lock; create database mysqltest; Got one of the listed errors unlock tables; create database mysqltest; show databases; Database information_schema mysql mysqltest test flush tables with read lock; drop database mysqltest; Got one of the listed errors unlock tables; drop database mysqltest; show databases; Database information_schema mysql test drop database mysqltest; ERROR HY000: Can't drop database 'mysqltest'; database doesn't exist drop table t1; flush tables with read lock; create table t1(n int); ERROR HY000: Can't execute the query because you have a conflicting read lock unlock tables; create table t1(n int); show tables; Tables_in_test t1 drop table t1; drop database if exists mysqltest; drop table if exists t1; create table t1 (i int); lock tables t1 read; create database mysqltest; drop table t1; show open tables; drop database mysqltest; select 1; 1 1 unlock tables; End of 5.0 tests