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From: Bruce Momjian <pgman@candle.pha.pa.us>
Message-Id: <200108302253.f7UMrp310275@candle.pha.pa.us>
Subject: Re: Sql
In-Reply-To: <001b01c12dc9$d41aff20$bf99b0c8@computador> "from Marcia Cunha at
	Aug 25, 2001 09:55:35 pm"
To: Marcia Cunha <malves.bh@terra.com.br>
Date: Thu, 30 Aug 2001 18:53:51 -0400 (EDT)
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For history, see the first chapter of my book.  Also see appendix on
non-standard feature.

http://www.postgresql.org/docs/awbook.html
> Hi,
> 
> I'd like an information about the history of SQL. 
> The similarities and differences between SQL1 and SQL2 and SQL3.
> 
> Could you help me?
> 
> Thanks for your attention.
> 
> Marcia Cunha
> Belo Horizonte , Brasil.
> 

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