Jak vybrat řádek s maximální hodnotou pro sloupec v MySQL?

Odeberte CC sloupec z group by . Zkuste toto.

SELECT t.* FROM  t
     JOIN (
       SELECT 
    t.id
    ,max(t.count) as max_slash24_count
    FROM t 
    group by t.id
      ) highest
     ON t.count = highest.max_slash24_count
  and t.id= highest.id