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SQL Server 交叉表查询 case

发布时间:2020-12-12 09:27:41 所属栏目:MsSql教程 来源:网络整理
导读:代码如下所示: 表landundertake结构如下所示: 表appraiser结构如下所示: access代码: 代码如下:TRANSFORM First(Landundertake.valuerId) AS valuerId之First SELECT Appraiser.quarterId,Landundertake.landCode FROM Landundertake INNER JOIN Apprais

代码如下所示:

表landundertake结构如下所示:

表appraiser结构如下所示:

access代码:
代码如下:TRANSFORM First(Landundertake.valuerId) AS valuerId之First
SELECT Appraiser.quarterId,Landundertake.landCode
FROM Landundertake INNER JOIN Appraiser ON (Landundertake .valuerId = Appraiser.valuerID) AND (Landundertake .quarterId = Appraiser.quarterId)
GROUP BY Appraiser.quarterId,Landundertake .landCode
PIVOT Landundertake .valuerGrade;

SQL server代码:
代码如下:select dbo.appraiser.quarterID,dbo.landUndertake.landcode,case dbo.landUndertake.appraiserGrade when 'appraiserID1' then dbo.landundertake.appraiserID else null END as appraiserID,case dbo.landUndertake.appraiserGrade when 'appraiserID2' then dbo.landundertake.appraiserID else null END as appraiserID1
from dbo.LandUndertake inner join
dbo.Appraiser ON dbo.LandUndertake.quarterID=dbo.appraiser.quarterID and dbo.landundertake.appraiserID=DBO.Appraiser.appraiserID
Group by dbo.appraiser.quarterID,dbo.landundertake.appraiserGrade,dbo.landundertake.appraiserID
交叉表查询结果如下所示:

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