Sql 具有前X行之和的子查询
我试图从一张表格中为每个人获得前5名的结果。我能够得到他们的最高成绩,但是我想要前5名的总和Sql 具有前X行之和的子查询,sql,sql-server,subquery,top-n,Sql,Sql Server,Subquery,Top N,我试图从一张表格中为每个人获得前5名的结果。我能够得到他们的最高成绩,但是我想要前5名的总和 Select Distinct r.LastName, r.FirstName , r.Class, r.BibNum, (Select top 1 r2.points from Results r2 where r2.season=r.Season and r2.Mountain=r.Mountain and r2.B
Select Distinct
r.LastName,
r.FirstName ,
r.Class,
r.BibNum,
(Select top 1 r2.points from Results r2 where r2.season=r.Season and r2.Mountain=r.Mountain and r2.Bibnum=r.bibnum Order By r2.Points Desc) as Points
from Results as r Where Season='2015' and Mountain='Ski Resort'
Order By Class, Points Desc
栏目:
[Id] [int] IDENTITY(1,1) NOT NULL,
[RaceNum] [int] NOT NULL,
[BibNum] [int] NOT NULL,
[FirstName] [nvarchar](max) NULL,
[LastName] [nvarchar](max) NULL,
[Sex] [nvarchar](max) NULL,
[Class] [nvarchar](max) NULL,
[Team] [nvarchar](max) NULL,
[FirstRun] [nvarchar](max) NULL,
[SecondRun] [nvarchar](max) NULL,
[Best] [nvarchar](max) NULL,
[Points] [int] NOT NULL,
[Season] [int] NOT NULL,
[Mountain] [nvarchar](max) NULL
您可以使用row_number获得前五行,然后按其他字段分组:
SELECT LastName,
FirstName,
Class,
BibNum,
SUM(points)
FROM (SELECT LastName,
FirstName,
Class,
BibNum,
points,
ROW_NUMBER() OVER (PARTITION BY LastName,
FirstName,
Class,
BibNum
ORDER BY points DESC) AS rn
FROM results
WHERE Season='2015' and Mountain='Ski Resort'
) t
WHERE rn <= 5
GROUP BY LastName, FirstName, Class, BibNum
我看不出你在哪里指定了一张桌子……我遗漏了什么吗?@BlueBird不,你是对的。短暂的考虑失误-编辑。