include/master-slave.inc [connection master] CREATE DATABASE db1; CREATE DATABASE IF NOT EXISTS db1; Warnings: Note 1007 Can't create database 'db1'; database exists CREATE OR REPLACE DATABASE db2; CREATE OR REPLACE DATABASE db1; SHOW DATABASES LIKE 'db%'; Database (db%) db1 db2 CREATE DATABASE db1; ERROR HY000: Can't create database 'db1'; database exists DROP DATABASE db3; ERROR HY000: Can't drop database 'db3'; database doesn't exist CREATE DATABASE IF NOT EXISTS db3; SHOW DATABASES LIKE 'db%'; Database (db%) db1 db2 db3 DROP DATABASE db1; DROP DATABASE db2; DROP DATABASE IF EXISTS db3; SHOW DATABASES LIKE 'db%'; Database (db%) include/rpl_end.inc