Re: A Logical Model for Lists as Relations

"Jay Dee" <ais01479_at_aeneas.net> wrote in message news:Tjx8g.34028$P2.3888_at_tornado.ohiordc.rr.com...
> > If one has a numeric index that differs for each tuple, one never has
> > duplication. If one has duplication, one wonders how to refer to the
> > duplicates. As Codd observed long ago, once one has said a thing is
> > true, what does saying it again achieve?
>
> Yes, I agree. If one were, for example, compiling a list of what
> folks were going to bring to the picnic, it might be nice to know
> that potato salad had been recorded many more times than fried
> chicken...

That's counting, not asserting. Asserting something twice is no more consequential than asserting it once. Received on Thu May 11 2006 - 07:09:50 CDT