franciscojose.ruedacastanon@... wrote:

> Let me explain what I'm trying to achieve; I'm new to Firebird and
> I've not very clear this point.

No problem. I'm still finding my feet. Most of the guys with all the
answers are in a Firebird conference.
Try this article for starters it should give you a clearer idea of what
is going on.

http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_bill_todd_mga
(watch out for wrapping of the URL)

Regards
Andy