From: Mark Kirkwood <markir@paradise.net.nz>
To: H.J. Sanders <hjs@rmax.nl>
Cc: pgsql-performance@postgresql.org
Subject: Re: FW: Simple join optimized badly?
Date: Thu, 12 Oct 2006 22:59:23 +1300
Message-ID: <452E11FB.7070704@paradise.net.nz> (raw)
In-Reply-To: <GMEAJIDMNDKCIHMMHDFLEEOHEGAA.hjs@rmax.nl>
References: <GMEAJIDMNDKCIHMMHDFLEEOHEGAA.hjs@rmax.nl>
H.J. Sanders wrote:
> why not just like in some other (commercial) databases:
>
> a statement to say: use index ............
>
> I know this is against all though but if even the big ones can not resist
> the pressure of their users, why not?
>
Yeah - some could not (e.g. Oracle), but some did (e.g. DB2), and it
seemed (to me anyway) significant DB2's optimizer worked much better
than Oracle's last time I used both of them (Oracle 8/9 and DB2 7/8).
cheers
Mark
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To: pgsql-performance@postgresql.org
Cc: markir@paradise.net.nz, hjs@rmax.nl
Subject: Re: FW: Simple join optimized badly?
In-Reply-To: <452E11FB.7070704@paradise.net.nz>
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