1.查看所有用戶: select * from dba_users; select * from all_users; select * from user_users; 2.查看用戶或角色系統權限(直接賦值給用戶或角色的系統權限): select * from dba_sys_privs; select * from user_sys_privs; SQL> select * from user_sys_privs; USERNAME PRIVILEGE ADM ------------------------------ ---------------------------------------- --- ZSZQ UNLIMITED TABLESPACE NO 3.查看角色(只能查看登陸用戶擁有的角色)所包含的權限 sql>select * from role_sys_privs; 4.查看用戶對象權限: 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.查看用戶或角色所擁有的角色: select * from dba_role_privs; select * from user_role_privs; --查詢擁有DBA權限的用戶 SQL> select * from dba_role_privs where granted_role='DBA'; GRANTEE GRANTED_ROLE ADM DEF ------------------------------ ------------------------------ --- --- SYS DBA YES YES SYSTEM DBA YES YES ZSZQ DBA NO YES KSWORK 7.查看哪些用戶有sysdba或sysoper系統權限(查詢時需要相應權限) select * from V$PWFILE_USERS 比如我要查看用戶 wzsb的擁有的角色: SQL> select * from dba_sys_privs where grantee='ZSZQ'; GRANTEE PRIVILEGE ADM ------------------------------ ---------------------------------------- --- ZSZQ UNLIMITED TABLESPACE NO 查看一個用戶所有的權限及角色 select privilege from dba_sys_privs where grantee = 'ZSZQ' union select privilege from dba_sys_privs where grantee in (select granted_role from dba_role_privs where grantee = 'ZSZQ'); SQL> select * from dba_sys_privs where grantee='ZSZQ'; GRANTEE PRIVILEGE ADM ------------------------------ ---------------------------------------- --- ZSZQ UNLIMITED TABLESPACE NO 8、查看RESOURCE具有那些權限 SQL> SELECT * FROM DBA_SYS_PRIVS WHERE GRANTEE='RESOURCE'; GRANTEE PRIVILEGE ADM ------------------------------ ---------------------------------------- --- RESOURCE CREATE TRIGGER NO RESOURCE CREATE SEQUENCE NO RESOURCE CREATE TYPE NO RESOURCE CREATE PROCEDURE NO RESOURCE CREATE CLUSTER NO RESOURCE CREATE OPERATOR NO RESOURCE CREATE INDEXTYPE NO RESOURCE CREATE TABLE NO 已選擇8行。 SQL> select * from role_sys_privs t1 where t1.role = 'RESOURCE'; ROLE PRIVILEGE ADM ------------------------------ ---------------------------------------- --- RESOURCE CREATE SEQUENCE NO RESOURCE CREATE TRIGGER NO RESOURCE CREATE CLUSTER NO RESOURCE CREATE PROCEDURE NO RESOURCE CREATE TYPE NO RESOURCE CREATE OPERATOR NO RESOURCE CREATE TABLE NO RESOURCE CREATE INDEXTYPE NO 已選擇8行。 9.查看scott用戶的默認表空間、臨時表空間 select username, default_tablespace, temporary_tablespace from dba_users where username = 'SCOTT'; 10.查看scott用戶的系統權限 select username,privilege,admin_option from user_sys_privs where username = 'SCOTT'; SQL> select username,privilege,admin_option 2 from user_sys_privs 3 where username = 'SCOTT'; USERNAME PRIVILEGE ADM ------------------------------ ---------------------------------------- --- SCOTT CREATE VIEW NO SCOTT UNLIMITED TABLESPACE NO 11.查看賦予scott用戶的對象權限 select grantee,owner, table_name, t.grantor, t.privilege, t.grantable, t.hierarchy from dba_tab_privs t where t.grantee = 'SCOTT'; 12.查看授予了scott的角色權限 select t.grantee, t.granted_role, t.admin_option, t.default_role from dba_role_privs t where t.grantee = 'SCOTT'; SQL> select t.grantee, t.granted_role, t.admin_option, t.default_role 2 from dba_role_privs t 3 where t.grantee = 'SCOTT'; GRANTEE GRANTED_ROLE ADM DEF ------------------------------ ------------------------------ --- --- SCOTT RESOURCE NO YES SCOTT CONNECT NO YES SQL> select * from user_role_privs t; USERNAME GRANTED_ROLE ADM DEF OS_ ------------------------------ ------------------------------ --- --- --- ZSZQ CONNECT NO YES NO ZSZQ DBA NO YES NO ZSZQ EXP_FULL_DATABASE NO YES NO ZSZQ IMP_FULL_DATABASE NO YES NO ZSZQ RESOURCE NO YES NO 13.查看scott用戶使用了哪些表空間 select t.table_name, t.tablespace_name from dba_all_tables t where t.owner = 'SCOTT' ; 14.查看當前用戶擁有的權限 select t.privilege from session_privs t; SQL> select t.privilege from session_privs t; PRIVILEGE ---------------------------------------- CREATE SESSION UNLIMITED TABLESPACE CREATE TABLE CREATE CLUSTER CREATE VIEW CREATE SEQUENCE CREATE PROCEDURE CREATE TRIGGER CREATE TYPE CREATE OPERATOR CREATE INDEXTYPE 已選擇11行。 14.查看角色(DBA)被賦予的角色權限 select * from role_role_privs t where t.role = 'DBA'; 查看角色(DBA)被賦予的對象權限 15.select * from role_tab_privs t1 where t1.role = 'DBA'