Re: WHAT vs HOW vs WHERE

• Post for FREE via your newsreader at post.usenet.com ****

"Alfredo Novoa" <alfredo_at_ncs.es> wrote in message news:40bb249d.8308707_at_news-read3.maxwell.syr.edu...
> On Mon, 31 May 2004 14:06:09 +0300, "x" <x-false_at_yahoo.com> wrote:
>
> >> They are good when they are hidden to users.
> >
> >There are "physical" pointers and "logical" pointers. :-)
> >The "physical" ones are hidden.
>
> And the logical pointers are bad. One of the major advantages of The
> Relational Model is that they are droped.

Many use FK as pointers ...
There is nothing in the Relational Model to prevent this. (maybe I'm wrong ?)

> >> For instance if you expose pointers to users.
> >
> >Well, it is good when users have some pointers :-)
>
> But only laser and wooden pointers :)
>
I can only hope they will not start to use them on us :-)

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

• Usenet.com - The #1 Usenet Newsgroup Service on The Planet! *** http://www.usenet.com Unlimited Download - 19 Seperate Servers - 90,000 groups - Uncensored -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=