Re: MV Keys
From: Marshall Spight <marshall.spight_at_gmail.com>
Date: 1 Mar 2006 18:50:29 -0800
Message-ID: <1141267829.869557.170030_at_t39g2000cwt.googlegroups.com>
Date: 1 Mar 2006 18:50:29 -0800
Message-ID: <1141267829.869557.170030_at_t39g2000cwt.googlegroups.com>
David Cressey wrote:
> "Marshall Spight" <marshall.spight_at_gmail.com> wrote
>
> > To my current way of thinking, there are only the two compound types:
> > list and set.
>
> A tuple is a compound type. And I don't think a tuple is either a list or a
> set.
An n-ary tuple is an n-ary relation whose cardinality is constrained to be exactly 1. Lots of people hate this idea, but it seems to work very well.
Marshall Received on Thu Mar 02 2006 - 03:50:29 CET