Re: Requirements for update languages?
From: Alfredo Novoa <alfredo_at_nospam_ncs.es>
Date: Sat, 09 Nov 2002 13:23:09 GMT
Message-ID: <3dcd09f6.4600124_at_news.wanadoo.es>
Date: Sat, 09 Nov 2002 13:23:09 GMT
Message-ID: <3dcd09f6.4600124_at_news.wanadoo.es>
On 08 Nov 2002 15:26:14 +0100, "Jens
>while there are some criteria to assess relational query languages
The problems starts here because SQL is not relational.
=?iso-8859-15?q?Lechtenb=F6rger?=" <lechtej_at_uni-muenster.de> wrote:
>(adequate, relationally complete, optimizable) I wonder what makes a
>good update language for a data model.
>
>In particular, I wonder about the following points in SQL.
>1. I believe that SQL data manipulations are not adequate for bags,
Alfredo Received on Sat Nov 09 2002 - 14:23:09 CET