From: Björn Lundin <bjorn.lundin.no.spam@swipnet.se>
To: pgsql-sql@postgresql.org
Subject: Re: Beginner needs help
Date: Sun, 09 Mar 2003 00:20:57 +0100
Message-ID: <b4dtl8$1ejl$1@news.hub.org> (raw)
References: <96853212-4AA9-11D7-8F7C-000393017462@mac.com>
Aaron Chu 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, count('a') from table
group by surname
having count('a') > 1
order by surname
/Björn
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Cc: bjorn.lundin.no.spam@swipnet.se
Subject: Re: Beginner needs help
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