Confusion b/w term.Roll area and Work area

Question

Hi,
Can someone explain me these Two Term in simple english.
1)Roll Area
2)Work Area
How aou distinguish b/w them.
Thanks.
Samir.

Answer 1

Hi Samir,
Welcome to SDN.
1. The first & main difference is
   WORK AREA : Refers when we talk about ABAP Programming
   ROLL AREA : Refers when we talk about R/3 Instance
               (on server)
2. Work Area :
   We can call it nothing but a VARIABLE.
   But this variables/ terminology is used for the purpose
   of internal table.
   for eg.
   Loop at ITAB.
   (When itab is defined with header line,
    the header line becomes the work area,
   ie temporary storage)
   Loop at ITAB into wa.
   (here it is used when itab is not defined
    with header line, instead, a field-string WA
   is defined , same as itab structure)
3. ROLL AREA :
   SAP Gui <----
> R/3 Server
   There is a constant interaction between
   the above two.
   In a program, many variables are used,
   there are many screens each having
   their own logic.
   Many users are running the same program.
   To keep track of all these, the
   r/3 instance on the server,
   keeps information about EACH and EVERYTHING
   in its memory RAM.
   This BUNCH of INFORMATION
   about EACH SESSION and the PROGRAM
   is called work area.
I hope it helps.
Regards,
Amit M.
Message was edited by: Amit Mittal