>> (*)I know that this is NOT very good, but I also copy the description of
>> the article in the invoice detail table... the problem is that the
>> description of an item may change and I don't want the invoice to change
>> any of the descriptions)

> Why wouldn't that be good? As far as I know, that's the normal way to do
> this.

Database normalization??

Though I've read that sometimes it's OK to break some of these rules... that's
why I do it that way...

Again: thanks for the inputs!!! really apreciated!!

-s