Re: object algebra
Date: Sun, 29 Feb 2004 20:45:39 GMT
Message-ID: <Tbs0c.87965$4o.111104_at_attbi_s52>
"Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message news:c1tdub$7p6$1_at_news.netins.net...
> Spot on, Marshall!
Thanks!
> We approach data modeling from different perspectives, but the null issue
> crosses most (if not all) models and the 2VL where NULL = Null Set resolves
> issues that arise, whatever the model.
Yes; getting this right is important.
> While SQL would be hard-pressed to recover from its 3VL mistakes,
Agree!
> I havenn't
> looked at the most promising of the next industry standards (such as XQuery)
> to see how NULLS are handled. Does anyone happen to know?
Forgive my prejudice, but I'm hard pressed to imagine anything good coming out of the XML camp. They have screwed so many things up so badly, I can't imagine them getting anything right. Tim Berners-Lee set user interfaces back 15 years, and client-server applications back ten.
Marshall Received on Sun Feb 29 2004 - 21:45:39 CET