ORA-22981
        sub-view should be on a table or view with system generated OID
        
        
        Cause
        The super-view was based on a table or view that had a system generated object identifier (OID). The sub-view must also be based on a similar table or view.
        Action
        Specify a table or view that has a system generated OID and retry the operation.
        
     
    
    
        ORA-22981
        must specify a table/view having system generated OID
        
        
        Cause
        The super-view is based on a table/view having the system generated OID and the sub-view must also be based on a similar table/view.
        Action
        Specify table/view having system generated OID and retry the the operation.
        
     
    
    
        ORA-22981
        must specify a table/view having system generated OID
        
        
        Cause
        The super-view is based on a table/view having the system generated OID and the sub-view must also be based on a similar table/view.
        Action
        Specify table/view having system generated OID and retry the the operation.