Re: Fw: Is SQL silly as an RDBMS<->app interface?

From: elein <elein(at)varlena(dot)com>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Jan Wieck <JanWieck(at)Yahoo(dot)com>, elein <elein(at)varlena(dot)com>, Vincent Hikida <vhikida(at)inreach(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: Fw: Is SQL silly as an RDBMS<->app interface?
Date: 2003-07-24 23:28:44
Message-ID: 20030724162843.A3643@cookie
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(Postquel, quel, whatever. My ingres days are showing.)

Actually the aggregates made much more sense in [Post]quel
than SQL. The individual aggregate is qualified separately so that
it does not mess with the entire query. (Group by grief anyone?)
Therefore it was able to select several different aggregates in one
query. (But don't ask me to remember the syntax...)

elein

On Mon, Jul 21, 2003 at 03:57:33PM -0400, Bruce Momjian wrote:
> Jan Wieck wrote:
> > elein wrote:
> > > Quel rules.
> >
> > PostQUEL ... we should have kept a compatibility mode for that.
>
> I prefer SQL for a few reasons:
>
> nested queries
> aggregates that make sense
>
> Does anyone remember how QUEL had you put the qualifiction inside the
> aggregate parens. And the correlated aggregates were weird, sum(col1 by
> col2 where col3 = ...). It was a little subquery with a correlated
> aggregate. It still makes my head spin.
>
> --
> Bruce Momjian | http://candle.pha.pa.us
> pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
> + If your life is a hard drive, | 13 Roberts Road
> + Christ can be your backup. | Newtown Square, Pennsylvania 19073
>

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