Oracle 10g 用户权限相关语句（转）

查看所有用户：

1. select * from dba_user;
2. select * from all_users;
3. select * from user_users;

2.查看用户系统权限：

1. select * from dba_sys_privs;
2. select * from all_sys_privs;
3. select * from user_sys_privs;

3.查看oracle用户对象权限：

1. select * from dba_tab_privs;
2. select * from all_tab_privs;
3. select * from user_tab_privs;

4.查看所有角色：

1. select * from dba_roles;

5.查看用户所拥有的角色：

1. select * from dba_role_privs;
2. select * from user_role_privs;

6.查看当前用户的缺省表空间

1. select username,default_tablespace from user_users;

7.查看RESOURCE具有那些权限，用

1. SELECT * FROM DBA_SYS_PRIVS WHEREGRANTEE='RESOURCE'; 

转自：

http://www.360doc.com/content/11/1222/14/1967709_174217194.shtml