--disable_warnings
DROP DATABASE IF EXISTS d1;
--enable_warnings
CREATE DATABASE d1;
SHOW DATABASES;
SHOW DATABASES LIKE 'd%';
SHOW DATABASES LIKE '%';
USE d1;
DROP DATABASE d1;
CREATE SCHEMA d1;
SHOW SCHEMAS;
SHOW SCHEMAS LIKE 'd%';
SHOW SCHEMAS LIKE '%';
USE d1;
DROP SCHEMA d1;