Vamsee Kundurthi

• Sep 15th, 2005

 

1.      Function modules use a special screen to define the parameters where as subroutines use the same ABAP/4 editor to define its parameters.

2.      Tables work area can be commonly shared by calling program and subroutine where as function modules do not share commonly.

3.      Calling a function module syntax (Call function.) is different from calling a subroutine syntax (perform?.).

4.      With raise statement user can exit from a function module where as exit is used in subroutines.