CREATE SCHEMA test_schema; SHOW DATABASES; CREATE TABLE test_schema.hello(i BIGINT TIME INDEX); DROP TABLE test_schema.hello; DROP SCHEMA test_schema; CREATE SCHEMA test_schema; CREATE TABLE test_schema.hello(i BIGINT TIME INDEX); INSERT INTO test_schema.hello VALUES (2), (3), (4); SELECT * FROM test_schema.hello; SHOW TABLES; SHOW TABLES FROM test_schema; DROP TABLE test_schema.hello; DROP TABLE test_schema.hello; SHOW TABLES FROM test_schema; DROP SCHEMA test_schema; SELECT * FROM test_schema.hello;