From: Peter Brawley
Date: October 4 2007 2:19pm
Subject: Re: LIMIT within GROUP BY
List-Archive: http://lists.mysql.com/mysql/209395
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Miroslav

 >My goal is to sum 7 greatest results for each person.

Have a look at 'Within-group quotas (Top N per group)' at 
http://www.artfulsoftware.com/infotree/queries.php.

PB

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Miroslav Monkevic wrote:
> Hello,
>
> MySQL 4.1
>
> I have query:
> SELECT SUM(points) as ranking FROM results GROUP BY person_id ORDER BY 
> ranking DESC
>
> My goal is to sum 7 greatest results for each person.
>
> In more general, my question is: is there a way to limit number of 
> records within  groups in  "group by" query.
>
> Thank you!
>
>

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