ORA-04089:SYSが所有するオブジェクトにトリガを作成できません

     ，      ——ORA-04089：   SYS          。
          

    ORACLE.

ORA-04089 cannot create triggers on objects owned by SYS  
  
  Cause:
         An attempt was made to create a trigger on an object owned by
SYS.  
  
  Action:
         Do not create triggers on objects owned by SYS.