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Date: Wed, 21 Apr 2004 09:09:26 +0200 (CEST)
From: Gergely Czuczy <phoemix@harmless.hu>
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To: Kenneth Suralta <ksuralta@ntsp.nec.co.jp>
Cc: pgsql-interfaces@postgresql.org
Subject: Re: help on SQL
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On Wed, 21 Apr 2004, Kenneth Suralta wrote:

>
> hello everyone,
>
> is it possible to get every other row in the table?
> like for example:
> data
> -----
> 1
> 2
> 3
> 4
> 5
> 6
> 7
SELECT t.fields FROM table t WHERE data NOT IN (SELECT t2.data FROM table
 t2 WHERE some_whereclause);

it will select these rows which ones are not in the subquery. but you can
do it simply by getting the negate of the whereclause...
>
> Is it possible to have this result (interval of 3)?
>
> result
> ------
> 1
> 4
> 7
i don't see what you mean. please describe it.
>
> thanks,
> kenneth
>
> --
>
>
>
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Bye,

Gergely Czuczy
mailto: phoemix@harmless.hu
PGP: http://phoemix.harmless.hu/phoemix.pgp

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