DML(Data Manipulation Language)數(shù)據(jù)操縱語言
[SELECT,INSERT,UPDATE,DELETE]
DDL（data definition language）數(shù)據(jù)定義語言
[CREATE,DROP,ALTER,REVOKE,TRUNCATE]
DCL(data control language)數(shù)據(jù)控制語言
[GRANT 、ROLLBACK 、COMMIT]
類別：Sql 查看評論文章來源:
http://hi.baidu.com/wszfer/blog/item/58254e22c66cfbfbd7cae280.html