当前位置：网站首页>ORA-02030: can only select from fixed tables/views

ORA-02030: can only select from fixed tables/views

2022-07-06 12:17:00 【wx5caecf2ed0645】


Sometimes some ordinary users are granted query system objects ( for example dynamic performance views) You will encounter “ORA-02030: can only select from fixed tables/views”, As shown below ：




       

        SQL> grant select on v$session to test;
       

       
    
        
  • 1.
    • 
       
       

        grant select on v$session to test
       

       
    
        
  • 1.
    • 
       
       

        *
       

       
    
        
  • 1.
    • 
       
       

        ERROR at line 1:
       

       
    
        
  • 1.
    • 
       
       

        ORA-02030: can only select from fixed tables/views
       

       
    
        
  • 1.
    •






About ORA-02030 Errors are described below , That is, for fixed tables or fixed views It can only be carried out SELECT Inquire about , Can't do SELECT Any operation other than


[[email protected] ~]$ oerr ora 2030

02030, 00000, "can only select from fixed tables/views"

// *Cause:  An attempt is being made to perform an operation other than

//         a retrieval from a fixed table/view.

// *Action:  You may only select rows from fixed tables/views.


About V$ Views The introduction is as follows ：


V$ Views


The actual dynamic performance views are identified by the prefix V_$. Public synonyms for these views have the prefix V$. Database administrators and other users should access only the V$ objects, not the V_$ objects.


The dynamic performance views are used by Oracle Enterprise Manager, which is the primary interface for accessing information about system performance. After an instance is started, the V$ views that read from memory are accessible. Views that read data from disk require that the database be mounted, and some require that the database be open.


We found that V$SESSION,V$DBLINK All are fixed views, and v$ The views we often check are v_$ Synonyms for the beginning view .




       

        SQL> SELECT * FROM V$FIXED_TABLE WHERE NAME IN( 'V$SESSION','V$DBLINK');
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        NAME                            OBJECT_ID TYPE   TABLE_NUM
       

       
    
        
  • 1.
    • 
       
       

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

       
    
        
  • 1.
    • 
       
       

        V$SESSION                      4294950919 VIEW       65537
       

       
    
        
  • 1.
    • 
       
       

        V$DBLINK                       4294951157 VIEW       65537
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        SQL>
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL OWNER  FOR A12;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL OBJECT_NAME FOR A32;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL OBJECT_TYPE FOR A32;
       

       
    
        
  • 1.
    • 
       
       

        SQL> SELECT OWNER, OBJECT_NAME ,OBJECT_TYPE
       

       
    
        
  • 1.
    • 
       
       

        2  FROM DBA_OBJECTS
       

       
    
        
  • 1.
    • 
       
       

        3  WHERE OBJECT_NAME='V$SESSION';
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        OWNER        OBJECT_NAME                      OBJECT_TYPE
       

       
    
        
  • 1.
    • 
       
       

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

       
    
        
  • 1.
    • 
       
       

        PUBLIC       V$SESSION                        SYNONYM
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        SQL>
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL TABLE_OWNER FOR A12;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL SYNONYM_NAME FOR A20;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL TABLE_NAME FOR A16;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL DB_LINK FOR A8;
       

       
    
        
  • 1.
    • 
       
       

        SQL> SELECT * FROM DBA_SYNONYMS WHERE SYNONYM_NAME='V$SESSION';
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        OWNER        SYNONYM_NAME         TABLE_OWNER  TABLE_NAME       DB_LINK
       

       
    
        
  • 1.
    • 
       
       

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

       
    
        
  • 1.
    • 
       
       

        PUBLIC       V$SESSION            SYS          V_$SESSION
       

       
    
        
  • 1.
    •





So to authorize, you should execute the following SQL sentence 




       

        SQL>
       

       
    
        
  • 1.
    • 
       
       

        SQL> GRANT SELECT ON V_$SESSION TO TEST;
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        Grant succeeded.
       

       
    
        
  • 1.
    •







If you encounter such an error , Directly find the view or base table corresponding to the corresponding synonym , And then authorize , As shown below ：




       

        SQL> show user;
       

       
    
        
  • 1.
    • 
       
       

        USER is "SYS"
       

       
    
        
  • 1.
    • 
       
       

        SQL> grant select on v$dblink to test;
       

       
    
        
  • 1.
    • 
       
       

        grant select on v$dblink to test
       

       
    
        
  • 1.
    • 
       
       

        *
       

       
    
        
  • 1.
    • 
       
       

        ERROR at line 1:
       

       
    
        
  • 1.
    • 
       
       

        ORA-02030: can only select from fixed tables/views
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL OWNER  FOR A12;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL OBJECT_NAME FOR A32;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL OBJECT_TYPE FOR A32;
       

       
    
        
  • 1.
    • 
       
       

        SQL> SELECT OWNER, OBJECT_NAME ,OBJECT_TYPE
       

       
    
        
  • 1.
    • 
       
       

        2  FROM DBA_OBJECTS
       

       
    
        
  • 1.
    • 
       
       

        3  WHERE OBJECT_NAME=UPPER('v$dblink');
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        OWNER        OBJECT_NAME                      OBJECT_TYPE
       

       
    
        
  • 1.
    • 
       
       

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

       
    
        
  • 1.
    • 
       
       

        PUBLIC       V$DBLINK                         SYNONYM
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL TABLE_OWNER FOR A12;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL SYNONYM_NAME FOR A20;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL TABLE_NAME FOR A16;
       

       
    
        
  • 1.
    • 
       
       

        SQL> COL DB_LINK FOR A8;
       

       
    
        
  • 1.
    • 
       
       

        SQL> SELECT * FROM DBA_SYNONYMS WHERE SYNONYM_NAME='V$DBLINK';
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        OWNER        SYNONYM_NAME         TABLE_OWNER  TABLE_NAME       DB_LINK
       

       
    
        
  • 1.
    • 
       
       

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

       
    
        
  • 1.
    • 
       
       

        PUBLIC       V$DBLINK             SYS          V_$DBLINK
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        SQL> grant select on v_$dblink to test;
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        Grant succeeded.
       

       
    
        
  • 1.
    • 
       
       

       
    
        
  • 1.
    • 
       
       

        SQL>
       

       
    
        
  • 1.
    •




​ORA-02030: can only select from fixed tables/views_sql​​



原网站

版权声明
本文为[wx5caecf2ed0645]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/02/202202131547076906.html

边栏推荐

猜你喜欢

随机推荐