From: Daniel Henrique Alves Lima <email_daniel_h@yahoo.com.br>
To: Tomasz Myrta <jasiek@klaster.net>
Cc: pgsql-sql@postgresql.org
Subject: Re: Help to simplify sample query
Date: Tue, 09 Mar 2004 09:51:33 -0300
Message-ID: <404DBDD5.6090107@yahoo.com.br> (raw)
In-Reply-To: <404D6334.4030501@klaster.net>
References: <404D5920.40104@yahoo.com.br>
<404D6334.4030501@klaster.net>
Tomasz Myrta wrote:
>
> Can you try this query ? :
>
> select cd_area from area a1
> join teacher_course c2 using (cd_course)
> where (cd_teacher,cd_course) in (select 1,2 union select 98,45 union
> select 11,0);
Tomasz, the "in" in the query above will work like an "or"
((cd_teacher=1,cd_course=2) or (cd_teacher=98,cd_course=45) or
(cd_teacher=11,cd_course=0)) but i need an "and" behaviour (because of
this i was using some exists/ands)...
Thanks for your reply.
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To: pgsql-sql@postgresql.org
Cc: email_daniel_h@yahoo.com.br, jasiek@klaster.net
Subject: Re: Help to simplify sample query
In-Reply-To: <404DBDD5.6090107@yahoo.com.br>
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