我有以下查询
select
sub.W
from
(select
W, count(W) as N
from L
group by W) sub
where
sub.N >= max(sub.N)
我收到此错误:
错误代码1111,SQL状态HY000:无效使用组功能
第1行,第1列
有什么问题?
答案 0 :(得分:3)
你试过这个:
select sub.W
from
(
select W, count(W) as N
from L
group by W
) sub
where n >= (select max(N)
from
(
select count(W) as N
from L
group by W
) x)
答案 1 :(得分:0)
尝试:
select sub.W
from
(
select W, count(W) as N
from L
group by W
) sub
where sub.N >= (select max(N)
from (
select W, count(W) as N
from L
group by W
) sub2)