Re: help on SQL

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От Gergely Czuczy
Тема Re: help on SQL
Дата
Msg-id Pine.LNX.4.44.0404210907250.28604-100000@localhost
обсуждение исходный текст
Ответ на help on SQL  (Kenneth Suralta <ksuralta@ntsp.nec.co.jp>)
Ответы 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 tablet2 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
>
> --
>
>
>
> ---------------------------(end of broadcast)---------------------------
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>


Bye,

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

"Wish a god, a star, to believe in,
With the realm of king of fantasy..."



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