用DBMS_SYS_SQL包进行批量授权

王朝mssql·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

在Oracle9i之前,假如你想要把对象权限授予某些用户,那么你需要使用该对象属主或者使用具有该对象with grant option权限的用户。

很多时候你可能需要进行批量授权,那么DBMS_SYS_SQL包可以为你提供简便.

以下过程供参考:

declare

sqltext varchar2(200);

c integer;

begin

for userlist in (select user_id,username from all_users where username not in ('SYS','SYSTEM','EYGLE')) loop

for tablelist in (select owner,table_name from dba_tables where owner = userlist.username) loop

sqltext := 'grant all on 'tablelist.owner'.'tablelist.table_name ' to eygle with grant option';

c := sys.dbms_sys_sql.open_cursor();

sys.dbms_sys_sql.parse_as_user( c,sqltext,dbms_sql.native,userlist.user_id);

sys.dbms_sys_sql.close_cursor(c);

end loop;

end loop;

end;

/

以下是817中的执行过程,供参考:

SQL declare

2sqltext varchar2(200);

3c integer;

4begin

5for userlist in (select user_id,username from all_users where username not in ('SYS','SYSTEM','EYGLE')) loop

6for tablelist in (select owner,table_name from dba_tables where owner = userlist.username) loop

7sqltext := 'grant all on 'tablelist.owner'.'tablelist.table_name ' to eygle with grant option';

8c := sys.dbms_sys_sql.open_cursor();

9sys.dbms_sys_sql.parse_as_user( c,sqltext,dbms_sql.native,userlist.user_id);

10sys.dbms_sys_sql.close_cursor(c);

11end loop;

12end loop;

13end;

14/

PL/SQL procedure sUCcessfully completed.

SQL

SQL set pause on

SQL select owner,table_name,privilege,grantable from dba_tab_privs where grantee='EYGLE' and owner='SCOTT';

OWNERTABLE_NAME PRIVILEGEGRA

------------------------------ ------------------------------ ---------- ---

SCOTTBONUSALTERYES

SCOTTBONUSDELETE YES

SCOTTBONUSINDEXYES

SCOTTBONUSINSERT YES

SCOTTBONUSSELECT YES

SCOTTBONUSUPDATE YES

SCOTTBONUSREFERENCES YES

SCOTTDEPT ALTERYES

SCOTTDEPT DELETE YES

SCOTTDEPT INDEXYES

SCOTTDEPT INSERT YES

OWNERTABLE_NAME PRIVILEGEGRA

------------------------------ ------------------------------ ---------- ---

SCOTTDEPT SELECT YES

SCOTTDEPT UPDATE YES

SCOTTDEPT REFERENCES YES

SCOTTEMPALTERYES

SCOTTEMPDELETE YES

SCOTTEMPINDEXYES

....

right"(出处:清风软件下载学院)

 
 
 
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