2
我必須找到演員出現次數最多的演員。max-count in having-clause
獨奏(歌劇,演員,性格,appearingOrder)
我這樣已經試過:
select distinct R1.Actor, count(R1.Actor) as nro
from Recital R1
where R1.AppOrd='1'
group by Actor
having max(nro)
但它返回一個空表。 謝謝。