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如何查看Oracle的用户权限

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Release: 2016-06-07 15:20:32
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ORACLE数据字典视图的种类分别为:USER,ALL 和 DBA. USER_*:有关用户所拥有的对象信息,即用户自己创建的对象信息 ALL_*:有关用户可以访问的对象的信息,即用户自己创建的对象的信息加上 其他用户创建的对象但该用户有权访问的信息 DBA_*:有关整个数据库中对

     ORACLE数据字典视图的种类分别为:USER,ALL 和 DBA.

  USER_*:有关用户所拥有的对象信息,即用户自己创建的对象信息

  ALL_*:有关用户可以访问的对象的信息,即用户自己创建的对象的信息加上

  其他用户创建的对象但该用户有权访问的信息

  DBA_*:有关整个数据库中对象的信息

  (这里的*可以为TABLES,INDEXES,OBJECTS,USERS等。)

  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、赋予某个角色的具体权限

  如grant connect,resource,create session,create view to TEST;

  8、查看RESOURCE具有那些权限

  用SELECT * FROM DBA_SYS_PRIVS WHERE GRANTEE='RESOURCE';

 

      9.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

 

  

注意:

1、以下语句可以查看Oracle提供的系统权限

select name from sys.system_privilege_map

2、查看一个用户的所有系统权限(包含角色的系统权限)

select privilege from dba_sys_privs where grantee='DATAUSER'
union
select privilege from dba_sys_privs where grantee in (select granted_role from dba_role_privs where grantee='DATAUSER' ); 
Copy after login


 

 

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