我加入了两个表contact和district,这个连接返回了每个城市的多个记录。我想用排名为每个城市挑选一个记录。下面是我的查询,但它不工作。如何更正我的查询?
Select p.name,
p.city,
p.district,
RANK() over (partition by p.city order by p.district asc) as rank
from (select
d.name,
c.city,
c.district
from contact c inner join district d
ON d.district = c.district
AND d.districtType ='d'
AND d.nametype='2'
AND c.district like 'E%'
where c.city in(1316,1515,19393,8026))p
rank=1;
1条答案
按热度按时间f8rj6qna1#
秩=1之前缺少where子句