📅  最后修改于: 2022-03-11 15:05:33.554000             🧑  作者: Mango
select item, cnt
from (
select
item
,cnt = count(*)
,seqnum = row_number() over (partition by id order by count(*) DESC)
from
src_table
group by
item
) sub_qry
where seqnum = 1;