Re: Guessing?

From: David BL <davidbl_at_iinet.net.au>
Date: Sun, 1 Jun 2008 18:22:52 -0700 (PDT)
Message-ID: <5b72eb53-746f-4879-b7c9-152ffc13989d@x19g2000prg.googlegroups.com>


On May 31, 6:59 pm, paul c <toledoby..._at_ac.ooyah> wrote:
> David BL wrote:
>
> ... [On a
>
> > side note - it seems to make sense to allow mathematically defined
> > relations as read only first class citizens so that selection is just
> > a join].
> > ...
>
> What else could it be?

It's a language issue. As an example, in tutorial D a selection may be written as

    R WHERE x < 10

instead of

    R JOIN x < 10

This gives me the impression that the relation x<10 isn't treated as a first class citizen. Received on Sun Jun 01 2008 - 20:22:52 CDT

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