This is it Roi

Thanks so much, you have made my day

This forum is really useful

Thanks Roi

columns: ID| PL_category|booking_date|amount

data  : -----------------------------------------

             1|   50000      |01/05/2006  |230.00

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

             2|   50100     |10/05/2006  |20 .00

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

             3|   52000     |03/05/2006  |100 .00

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

            4|   52500     |20/05/2006  |50 .00

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

I would...