drop table if exists t1;
drop table t1;
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);
Table 't1' already exists
drop table t1;
select * from t1;
n
1
drop database if exists mysqltest;
Warnings:
Note	1008	Can't drop database 'mysqltest'. Database doesn't exist
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;
create database mysqltest;
drop database mysqltest;
drop database if exists mysqltest;
Warnings:
Note	1008	Can't drop database 'mysqltest'. Database doesn't exist
flush tables with read lock;
create database mysqltest;
Got one of the listed errors
unlock tables;
create database mysqltest;
show databases;
Database
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
mysql
test
drop database mysqltest;
Can't drop database 'mysqltest'. Database doesn't exist