Re: On view updating

Jan Hidders <jan.hidders_at_REMOVETHIS.pandora.be> wrote in message news:<pan.2004.09.18.21.34.55.114875_at_REMOVETHIS.pandora.be>...
> > ---
> > I therefore have come to believe that "view updateability" should be
> > allowed to happen IF AND ONLY IF the system has PRECISELY ONE WAY to
> > "resolve" the user's request.
> > ---
>
> It depends of course on what you mean by "resolve"

I supose It means "translate".

> but for most
> reasonable interpretations that I can think of the ONLY IF part
> is widely accepted by almost everybody who has done any serious research
> on the view update problem. The IF part is an entirely other matter and
> certainly not obvious, as you may remember from the discussions with Jens
> Lechtenboerger.

I don't follow you. The ONLY IF part is redundant and only puts more emphasis.

It is the "uniqueness criterion" of the slides that you posted a link some time ago.

Regards Received on Mon Sep 20 2004 - 17:12:23 CDT