So, if I understand. You want a list of people whose surnames appear more
than once?
Something like
select count(*), surname
from mytable
group by surname
having count(*) > 1
This will show a unique list of all the surnames that appear more than 1
time.
HTH
Chad
----- Original Message -----
From: "Aaron Chu" <astrate@mac.com>
To: <pgsql-sql@postgresql.org>
Sent: Thursday, February 27, 2003 4:17 PM
Subject: [SQL] Beginner needs help
> 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.
>
> Thanks.
>
>
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