Yes of course...
I have more less 2 millions of records on this table...
----- Original Message -----
From: "Björn Metzdorf" <bm@turtle-entertainment.de>
To: <pgsql-general@postgresql.org>
Sent: Wednesday, November 13, 2002 12:25 PM
Subject: Re: [GENERAL] Performance : Optimize query
> > EXPLAIN ANALYZE select count(*) from "Data" where "IDOrigin"='29';
> > NOTICE: QUERY PLAN:
> >
> > Aggregate (cost=108945.77..108945.77 rows=1 width=0) (actual
> > time=108845.29..108845.30 rows=1 loops=1)
> > -> Seq Scan on Data (cost=0.00..107152.11 rows=717462 width=0)
(actual
> > time=18233.46..106927.60 rows=1457826 loops=1)
> > Total runtime: 108845.50 msec.
>
> Well, do you have an index on Data.IDOrigin ?
>
> Regards,
> Bjoern
>
>
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