From: "Svein Erling Tysvaer"

> Hi Sergio, sorry for answering late, but I didn't have any time to try
> out my idea before now...

Wow... thanks Svein for you time!! I must confess I never used recursion in SQL
yet... I will try to undestand how it works and if you don't mind I will come
back if I have any question!!! - almost sure I will :)
Thanks again!
-s