1)　　利用SQL *PLUS或OEM进行Oracle的安全管理；

2)　　掌握用户的创建、删除和查看等操作方法；

3)　　掌握角色的创建、启用和撤销，以及角色和权限的授予与回收

4)　　了解概要文件的创建和查看等。

-A) the use of SQL* PLUS or OEM for Oracle s security management

2) grasp the user to create, delete, and view other methods of operation

3) master role to create, enable and withdrawal, as well as roles and permissions granted and recycling

4) Learn to create and view profiles and so on.