1DROP DATABASE IF EXISTS d5;
2CREATE DATABASE d5;
3SHOW DATABASES;
4Database
5d5
6information_schema
7mtr
8mysql
9performance_schema
10sys
11test
12DROP DATABASE nond5;
13ERROR HY000: Can't drop database 'nond5'; database doesn't exist
14DROP DATABASE d5;
15SHOW DATABASES;
16Database
17information_schema
18mtr
19mysql
20performance_schema
21sys
22test
23