DROP DATABASE IF EXISTS d5;
CREATE DATABASE d5;
SHOW DATABASES;
Database
d5
information_schema
mtr
mysql
performance_schema
sys
test
DROP DATABASE nond5;
ERROR HY000: Can't drop database 'nond5'; database doesn't exist
DROP DATABASE d5;
SHOW DATABASES;
Database
information_schema
mtr
mysql
performance_schema
sys
test