oracle相关权限查询

1. 查询连接用户是否具有系统权限SELECT ANY TABLE

select count(*) from user_sys_privs where PRIVILEGE='SELECT ANY TABLE';

2. 查询连接用户是否具有具备系统权限SELECT ANY TABLE的预定义角色

select count(*) from user_role_privs where GRANTED_ROLE in ('DBA','IMP_FULL_DATABASE','OLAP_DBA','DATAPUMP_IMP_FULL_DATABASE','EXP_FULL_DATABASE');

3.查询是否具有具备系统权限SELECT ANY TABLE的 自定义角色。

SELECT count(*) FROM ROLE_SYS_PRIVS WHERE PRIVILEGE='SELECT ANY TABLE';

4. user_tab_privs  用户对象权限表

role_tab_privs 角色对象权限表

下面是查询可以访问某个schema的哪些对象。

select owner||'.'||table_name AS TABLES from user_tab_privs where owner in ('A','B') and PRIVILEGE='SELECT'

union
SELECT owner||'.'||table_name from user_tab_privs where owner ='C' and table_name in ('T1','T2') and PRIVILEGE='SELECT'
union
select owner||'.'||table_name from role_tab_privs where owner in ('A','B') and PRIVILEGE='SELECT'
union
select owner||'.'||table_name from role_tab_privs where owner ='C' and table_name in ('T1','T2') and PRIVILEGE='SELECT';

下面为参考其他人给出的相关查询。


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;  
  
6.查看当前用户的缺省表空间  
select username,default_tablespace from user_users;  
  
7.查看某个角色的具体权限，  
如grant connect,resource,create session,create view to TEST;  
查看RESOURCE具有那些权限，  
用SELECT * FROM DBA_SYS_PRIVS WHERE GRANTEE='RESOURCE';