Re: Requirements for update languages?
From: Jens Lechtenbörger <lechtej_at_uni-muenster.de>
Date: 11 Nov 2002 07:54:37 +0100
Message-ID: <m21y5swq8i.fsf_at_pcwi1068.uni-muenster.de>
Date: 11 Nov 2002 07:54:37 +0100
Message-ID: <m21y5swq8i.fsf_at_pcwi1068.uni-muenster.de>
nelson_at_nelsonricardo.com (Nelson Ricardo) writes:
> If by bags you mean online shopping bags/carts, I believe that
> there shouldn't be duplicate items. There should be an item and
Yes, that's probably the preferred modeling alternative. However, the data model of SQL offers storage of duplicates, and I wondered what makes a good update language for such a data model.
Jens Received on Mon Nov 11 2002 - 07:54:37 CET