DDL, DML, DCL, TCL

- DDL(Data Definition Language)

CREATE    (생성)

ALTER      (수정)

DROP      (삭제)

RENAME

TRUNCATE    (데이터 초기화, 데이터만 지움)

- DML(Data Manipulation Language)

SELECT

INSERT

UPDATE

DELETE

- DCL(Data Control Language)

GRANT    (권한을 줌)

REVOKE    (권한을 뺌)

* TCL(Transaction Control Language)

COMMIT

ROLLBACK

SAVEPOINT