Re: Is Ingres yet relational?
From: Leandro Guimaraens Faria Corsetti Dutra <leandro_at_dutra.fastmail.fm>
Date: Thu, 27 May 2004 13:20:32 -0300
Message-ID: <pan.2004.05.27.16.20.31.978048_at_dutra.fastmail.fm>
>
> It would be a good possiblity if you know very well the source code of
> Ingres. If not, probably it would be easier to start from scratch,
> specially if you want to have decent physical independence.
Date: Thu, 27 May 2004 13:20:32 -0300
Message-ID: <pan.2004.05.27.16.20.31.978048_at_dutra.fastmail.fm>
Em Thu, 27 May 2004 08:12:19 -0700, Alfredo Novoa escreveu:
>> Indeed, but their existence, and that of SQL access,
>> inherently hinders optimisation.
>
> I disagree. It makes optimization more difficult but you can use
> different algorithms when you know that nulls and duplicates are not
> allowed.
That's what I said.
>> Actually what I was thinking was the possibility of creating a >> 'relational Ingres' by striping it of SQL, perhaps replacing it by >> Alphora's RealSQL. But perhaps it would be just as easy to backport >> QUEL to PostgreSQL...
>
> It would be a good possiblity if you know very well the source code of
> Ingres. If not, probably it would be easier to start from scratch,
> specially if you want to have decent physical independence.
Perhaps. But then I think you have the cardinal virtue of the programmer, hubris.
-- Leandro Guimarães Faria Corsetti Dutra +55 (11) 5685 2219 Av Sgto Geraldo Santana, 1100 6/71 leandro_at_dutra.fastmail.fm 04.674-000 São Paulo, SP BRASIL http://br.geocities.com./lgcdutra/Received on Thu May 27 2004 - 18:20:32 CEST