INSERT INTO db.tb ;

SELECT ids FROM db.;

CREATE TABLE db. VALUES;

DROP TABLE IF EXISTS db.a;

CREATE OR REPLACE VIEW db.v;

DROP VIEW db.v ;

SELECT name, calculate_age(birthday) AS age FROM students;

CREATE SCHEMA db ;

DROP SCHEMA IF EXISTS sch;

SHOW COLUMNS FROM tb ;

COMMENT ON COLUMN tb.;

ALTER TABLE tb RENAME COLUMN ;

ALTER TABLE tb RENAME COLUMN ids TO ;

ALTER TABLE users DROP COLUMN ;

ALTER TABLE users ADD COLUMN zi ;

SHOW COMMENT ON COLUMN tb.c ;

INSERT INTO tb (id, );

SELECT * FROM tb ORDER BY ;

SELECT * FROM tb GROUP BY ;