oracle 常用的查看用户操作

1.查看所有用户:
select * from dba_user;
select * from all_users;
select * from user_users;
2.查看用户系统权限:

select * from dba_sys_privs;
select * from all_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.查看用户所拥有的角色:
select * from dba_role_privs;
select * from user_role_privs;

 

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