oracle 学习笔记1

SQL 语言分类

 

1.DDL:CREATE ALERT DROP

2.DCL:GRANT REVOKE

3.DML:SELECT INSERT DELETE UPDATE

 

授权dept查询权限给用户tt;

GRANT SELECT ON dept TO tt;

从用户tt那里回收dept查询权限;

REVOKE SELECT ON dept FROM tt;

posted on 2013-01-12 21:19  TopCoder.NET  阅读(104)  评论(0编辑  收藏  举报