
     atm    C 

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

ATM_Users         
ATM_Cus  
ATM_Emp  
ATM_Trans              
ATM_Accounts   (   -   -   )





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


  

1  
2 

      11

      22


                 


----------------------------------------------------------------------------------------------------------------
       (    )       1  2 

     

  111
  111


     

  221
  123



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

    10     5      5  
       

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

                     
       cus          

---------------------------------------------------------
       emp             

---------------------------------------------------------
  comment       

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

        atm_trans   
