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From: Bruno Wolff III <bruno@wolff.to>
To: Aaron Chu <astrate@mac.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Beginner needs help
Date: Sat, 1 Mar 2003 18:23:48 -0600
Message-ID: <20030302002348.GA16937@wolff.to> (raw)
In-Reply-To: <96853212-4AA9-11D7-8F7C-000393017462@mac.com>
References: <96853212-4AA9-11D7-8F7C-000393017462@mac.com>

On Thu, Feb 27, 2003 at 23:17:06 +0000,
  Aaron Chu <astrate@mac.com> wrote:
> Hi,
> 
> I have a table which has a column of surnames (string) and I would like 
> to know how can I retrieve (SELECT) all the repeated surnames, i.e. 
> more than one person who has the same surname.

select surname from whatevertable group by surname having count(*) > 1
  order by surname;



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