MySQL find top results for each group

Question

I have searched a lot, but I can\'t find an answer or something near.

I have a table like this:

id              int(11) NO  PRI     auto_increment
attri         


        

Answer 1

     SELECT     attribute_id, result
     FROM   TableName a
      WHERE 
    (
        SELECT  COUNT(*) 
        FROM    TableName b
        WHERE   a.attribute_id = b.attribute_id 
                AND a.result <= b.result
    ) <= 5 order by result DESC;