Oracle中查看用户具有的权限
1.查看所有用户：
select * from dba_users;
select * from all_users;
select * from user_users;
2.查看用户或角色系统权限：
select * from dba_sys_privs;
select * from user_sys_privs;
3.查看用户对象权限：
select * from dba_tab_privs;
select * from all_tab_privs;
select * from user_tab_privs;
4.查看所有角色：
select * from dba_roles;
5.查看用户或角色所拥有的角色：
select * from dba_role_privs;
select * from user_role_privs;
select * from dba_users;
select * from all_users;
select * from user_users;
2.查看用户或角色系统权限：
select * from dba_sys_privs;
select * from user_sys_privs;
3.查看用户对象权限：
select * from dba_tab_privs;
select * from all_tab_privs;
select * from user_tab_privs;
4.查看所有角色：
select * from dba_roles;
5.查看用户或角色所拥有的角色：
select * from dba_role_privs;
select * from user_role_privs;
例如：
1、以下语句可以查看Oracle提供的系统权限
select name from sys.system_privilege_map
2、查看一个用户的所有系统权限(包含角色的系统权限)
- select privilege from dba_sys_privs where grantee='DATAUSER'
- union
- select privilege from dba_sys_privs where grantee in (select granted_role from dba_role_privs where grantee='DATAUSER' );
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/17179887/viewspace-604273/ ，如需转载，请注明出处，否则将追究法律责任。
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