>My goal is to sum 7 greatest results for each person.
Have a look at 'Within-group quotas (Top N per group)' at
Miroslav Monkevic wrote:
> 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!