At 06:22 AM 30/07/2008, you wrote:

>I am trying to sort my table based on a field then add another field to
>represent the rank(row number within the table).
>I used to use RunSum function which does not exist in Firebird.
>
>Select ItemDescription, Price, RunSum(1) as Rank from ItemsSales Order
>by Price Desc
>
>This query will give me the list of my products and the sale price in
>order. The order is made through the "RANK" field. I need the rank
>because my result is going on a report.
>What is the easiest way to do this in Firebird?

It depends on what your RunSum function is meant to do. You could start by describing that...
./heLen