Re: Relational algebra grammar?
From: Amund Trovåg <amund_at_texassibir.com>
Date: Fri, 05 Sep 2003 16:03:40 +0200
Message-ID: <3F5897BC.4040703_at_texassibir.com>
>
>
> Indeed, Darwen's relational algebra is called A... I think it
> appears at _TTM_, but not formally.
>
> You might find da man at http://www.thethirdmanifesto.com/
>
>
Thanks for all suggestions! I finally found a pretty good one in Date's latest edition of Intro to DB Systems (2003).
Date: Fri, 05 Sep 2003 16:03:40 +0200
Message-ID: <3F5897BC.4040703_at_texassibir.com>
Leandro Guimarães Faria Corsetti Dutra wrote:
> On Wed, 03 Sep 2003 07:17:15 -0700, Bob Badour wrote:
>
>
>>Amund Trovåg <st08661_at_rasmus.uib.no> wrote in message >>news:<bj1r65$19da$1_at_toralf.uib.no>... >> >>>I was wondering where I could find a formal definition of the relational >>>algebra grammar. >> >>You can find a grammar for Tutorial D at the following URL; although, it's >>not quite you want
>
>
> Indeed, Darwen's relational algebra is called A... I think it
> appears at _TTM_, but not formally.
>
> You might find da man at http://www.thethirdmanifesto.com/
>
>
Thanks for all suggestions! I finally found a pretty good one in Date's latest edition of Intro to DB Systems (2003).
Sincerely
Amund
Received on Fri Sep 05 2003 - 16:03:40 CEST