Re: Beginner needs help - Mailing list pgsql-sql

From Björn Lundin
Subject Re: Beginner needs help
Date
Msg-id b4dtl8$1ejl$1@news.hub.org
Whole thread Raw
In response to Beginner needs help  (Aaron Chu <astrate@mac.com>)
List pgsql-sql
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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