Re: PIZZA time again :-)

From: David Cressey <david.cressey_at_earthlink.net>
Date: Thu, 08 Sep 2005 21:43:41 GMT
Message-ID: <hg2Ue.8989$_84.365@newsread1.news.atl.earthlink.net>

"Marshall Spight" <marshall.spight_at_gmail.com> wrote in message news:1126064718.866736.304350_at_o13g2000cwo.googlegroups.com...
> David Cressey wrote:
> >
> > You can ALWAYS represent a set as if it were a list, by simply
presenting
> > the elements in an arbitrary order. You can ALWAYS represent a list as
if
> > it were a set, by including an attribute that marks each element's
position
> > in the list.
> >
> > The question is not WHETHER the above can be done. The question is WHEN
it
> > SHOULD be done.
>
> The question the above rasises for me is:
>
> If we can ALWAYS do either of the above, then why can't this
> just be considered a view on the data? In other words, why
> can't we pick which view we want when we want it?

I think it can.

I think the argument over lists versus sets is really the argument about location based retrieval versus content based retrieval. It's just in a different guise. Received on Thu Sep 08 2005 - 16:43:41 CDT