Re: views of binary operations
From: Aloha Kakuikanu <aloha.kakuikanu_at_yahoo.com>
Date: 16 Jul 2006 11:14:31 -0700
Message-ID: <1153073671.054705.49990_at_m79g2000cwm.googlegroups.com>
Date: 16 Jul 2006 11:14:31 -0700
Message-ID: <1153073671.054705.49990_at_m79g2000cwm.googlegroups.com>
Marshall wrote:
> Aloha Kakuikanu wrote:
> > Marshall wrote:
> > > Consider named views of binary operations on relations.
> > >
> > > Given a relational operator "op" and relation variables A and B,
> > > and a declaration of:
> > >
> > > r = A op B
> > >
> > > the language evaluates the expression "A op B" and assigns the
> > > result to r.
> > >
> > > However, if we declare this as a view, ...
> >
> > View is a named expression. r is a view.
>
> Is it necessarily named? Might we find use for an anonymous view?
Well, the point is that the term "view" is redundant and SQL-ish. Relations and relational expressions are the fundamental concepts, and view is some bastardized idea. Received on Sun Jul 16 2006 - 20:14:31 CEST