From: Gaetano Mendola <mendola@bigfoot.com>
To: Daryl Herzmann <akrherz@iastate.edu>
To: pgsql-sql@postgresql.org
Subject: Re: Queries not using Index
Date: Tue, 23 Jul 2002 14:56:28 +0200
Message-ID: <000e01c23248$5c3bc410$d60ffea9@GMENDOLA2> (raw)
References: <Pine.LNX.4.44.0207221340470.31790-100000@akrherz.agron.iastate.edu>
"Daryl Herzmann" <akrherz@iastate.edu> wrote:
> snet=# select count(valid) from t2002_06;
> count
> ---------
> 1513895
> snet=# explain SELECT * from t2002_06 WHERE station = 'SGLI4';
> NOTICE: QUERY PLAN:
>
> Seq Scan on t2002_06 (cost=0.00..35379.69 rows=35564 width=47)
Can you do the following query for better understand your situation ?
select count(*) from t2002_06 where station = 'SGLI4';
select count(*) from t2002_06;
Ciao
Gaetano.
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To: pgsql-sql@postgresql.org
Cc: mendola@bigfoot.com, akrherz@iastate.edu
Subject: Re: Queries not using Index
In-Reply-To: <000e01c23248$5c3bc410$d60ffea9@GMENDOLA2>
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