1--disable_warnings
2DROP DATABASE IF EXISTS d1;
3--enable_warnings
4CREATE DATABASE d1;
5SHOW DATABASES;
6SHOW DATABASES LIKE 'd%';
7SHOW DATABASES LIKE '%';
8USE d1;
9DROP DATABASE d1;
10CREATE SCHEMA d1;
11SHOW SCHEMAS;
12SHOW SCHEMAS LIKE 'd%';
13SHOW SCHEMAS LIKE '%';
14USE d1;
15DROP SCHEMA d1;
16
17