From: sad <sad@bankir.ru>
To: pgsql-sql@postgresql.org
Subject: Re: a wierd query
Date: Fri, 14 May 2004 07:45:48 +0400
Message-ID: <200405140745.48296.sad@bankir.ru> (raw)
In-Reply-To: <40A393FF.3030806@onesystem.com>
References: <323910-220045413878445@M2W099.mail2web.com>
<200405131134.35156.sad@bankir.ru>
<40A393FF.3030806@onesystem.com>
On Thursday 13 May 2004 19:27, you wrote:
> sad wrote:
> > select distinct a as F from table
> > union
> > select distinct b as F from table;
>
> Note that UNION only returns the unique values of the union
> You can get repeated values by using UNION ALL.
read the original problem
look at the DISTINCT clause in my query
and think again
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To: pgsql-sql@postgresql.org
Cc: sad@bankir.ru
Subject: Re: a wierd query
In-Reply-To: <200405140745.48296.sad@bankir.ru>
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