From: | sidster <patrick(at)mail(dot)boxsoft(dot)com> |
---|---|
To: | Alfred Perlstein <bright(at)wintelcom(dot)net> |
Cc: | Dragos Stoichita <ddd(at)genesis(dot)homeip(dot)net>, pgsql-general(at)hub(dot)org |
Subject: | Re: Am I really stupid??? |
Date: | 2000-05-17 06:53:40 |
Message-ID: | 20000516235340.E230@3eye.boxsoft.com |
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Lists: | pgsql-general |
* Alfred Perlstein (bright(at)wintelcom(dot)net) [20000516 22:54]:
> In the meanwhile I think a better way to accomplish your query would
> be this:
>
> SELECT
> t1.f2
> FROM
> t1, t2
> WHERE
> t1.f1 > 100 AND t2.f1 > 100
> AND t1.f2 = t2.f2
> ;
>
> (I hope) :)
You really don't need the t2.f1 > 100 bit because of the latter join.
i.e.,
SELECT
t1.f2
FROM
t1, t2
WHERE
t1.f1 > 100 AND t1.f2 = t2.f2
;
should be sufficient.
Hope this helps,
patrick
--
Abstainer: a weak person who yields to the temptation of
denying himself a pleasure.
-- Ambrose Bierce
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