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Re: Teach SELECT DISTINCT first!

From: Leandro Guimar„es Faria Corsetti Dutra <leandro_at_dutra.fastmail.fm>
Date: Tue, 27 Apr 2004 10:44:51 -0300
Message-ID: <pan.2004.04.27.13.44.51.263677@dutra.fastmail.fm>


Em Tue, 27 Apr 2004 08:46:05 -0400, Laconic2 escreveu:

> All tables only LOOK like relations. But some look more like relations
> than others.
>
> In particular, eliminating duplicate rows is a big step towards making
> the result table LOOK like a relation.
>
> Everything inside a computer only looks like what it represents. There
> aren't really any numbers inside a computer. Only signals and states
> that represent digits. There aren't really any characters inside a
> computer. Only codes that represent characters. How much of cyberspace is
> about representation? All of it.

        That's a sophism. The computer can represent a real relation, or a mere table.

-- 
Leandro Guimar√£es Faria Corsetti Dutra           +55 (11) 5685 2219
Av Sgto Geraldo Santana, 1100 6/71               +55 (11) 5686 9607
04.674-000  S√£o Paulo, SP                                    BRASIL
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Received on Tue Apr 27 2004 - 08:44:51 CDT

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