下面内容供你参考 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849 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(直接赋值给用户或角色的系统权限): select * from dba_sys_privs; select * from user_sys_privs; 3.查看角色(只能查看登陆用户拥有的角色)所包含的权限sql>select * from role_sys_privs; 4.查看用户对象权限: select * from dba_tab_privs; select * from all_tab_privs; select * from user_tab_privs; 5.查看所有角色: select * from dba_roles; 6.查看用户或角色所拥有的角色: select * from dba_role_privs; select * from user_role_privs; 7.查看哪些用户有sysdba或sysoper系统权限(查询时需要相应权限)select * from V$PWFILE_USERS 比如我要查看用户 wzsb的拥有的权限: SQL> select * from dba_sys_privs where grantee='WZSB'; GRANTEE PRIVILEGE ADMIN_OPTION------------------------------ ---------------------------------------- ------------WZSB CREATE TRIGGER NOWZSB UNLIMITED TABLESPACE NO 比如我要查看用户 wzsb的拥有的角色: SQL> select * from dba_role_privs where grantee='WZSB'; GRANTEE GRANTED_ROLE ADMIN_OPTION DEFAULT_ROLE------------------------------ ------------------------------ ------------ ------------WZSB DBA NO YES 查看一个用户所有的权限及角色select privilege from dba_sys_privs where grantee='WZSB'unionselect privilege from dba_sys_privs where grantee in (select granted_role from dba_role_privs where grantee='WZSB' );
use databasename
grant
[DELETE, INSERT, REFERENCES, SELECT, UPDATE] on tablename to username
go
you can make a loop to go through all the tables and users in the database