查看oracle用户权限
1.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