Re: Teach SELECT DISTINCT first!
Date: Tue, 27 Apr 2004 10:44:51 -0300
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 Guimarães Faria Corsetti Dutra +55 (11) 5685 2219 Av Sgto Geraldo Santana, 1100 6/71 +55 (11) 5686 9607 04.674-000 São Paulo, SP BRASIL http://br.geocities.com./lgcdutra/Received on Tue Apr 27 2004 - 15:44:51 CEST