DROP DATABASE IF EXISTS d1; CREATE DATABASE d1; SHOW DATABASES; Database d1 information_schema mtr mysql performance_schema test SHOW DATABASES LIKE 'd%'; Database (d%) d1 SHOW DATABASES LIKE '%'; Database (%) d1 information_schema mtr mysql performance_schema test USE d1; DROP DATABASE d1; CREATE SCHEMA d1; SHOW SCHEMAS; Database d1 information_schema mtr mysql performance_schema test SHOW SCHEMAS LIKE 'd%'; Database (d%) d1 SHOW SCHEMAS LIKE '%'; Database (%) d1 information_schema mtr mysql performance_schema test USE d1; DROP SCHEMA d1;