两个动态列上的SQL Pivot
我知道堆栈溢出上有很多PIVOT两列,但似乎没有一列适合我的需要:( 这是我的桌子: 我想把重点放在这一点上: 以下是初始设置:两个动态列上的SQL Pivot,sql,sql-server,pivot,pivot-table,Sql,Sql Server,Pivot,Pivot Table,我知道堆栈溢出上有很多PIVOT两列,但似乎没有一列适合我的需要:( 这是我的桌子: 我想把重点放在这一点上: 以下是初始设置: CREATE TABLE TblPivot (ID INT IDENTITY(1, 1), Shop VARCHAR(MAX), ElementId VARCHAR(10), QuestionId VARCHAR(10), [Value] VARCHAR(20) ); GO INSERT INTO TblPivot (Sho
CREATE TABLE TblPivot
(ID INT IDENTITY(1, 1),
Shop VARCHAR(MAX),
ElementId VARCHAR(10),
QuestionId VARCHAR(10),
[Value] VARCHAR(20)
);
GO
INSERT INTO TblPivot (Shop,ElementId,QuestionId,[Value]) VALUES ('Shop1','elem10','question1','one')
GO
INSERT INTO TblPivot (Shop,ElementId,QuestionId,[Value]) VALUES ('Shop1','elem11','question1','two')
GO
INSERT INTO TblPivot (Shop,ElementId,QuestionId,[Value]) VALUES ('Shop1','elem20','question2','1')
GO
INSERT INTO TblPivot (Shop,ElementId,QuestionId,[Value]) VALUES ('Shop1','elem20','question3','p1')
GO
INSERT INTO TblPivot (Shop,ElementId,QuestionId,[Value]) VALUES ('Shop1','elem21','question2','2')
GO
INSERT INTO TblPivot (Shop,ElementId,QuestionId,[Value]) VALUES ('Shop1','elem21','question3','p2')
我怀疑这一定是交叉应用和枢轴的问题,但我不确定如何解决这个问题
PS:元素ID可以为空
谢谢!执行条件聚合:
select Shop,
max(case when (QuestionId = 'question1' and ElementId = 'elem10')
then value end) [question1- elem10],
. . .
from TblPivot p
where QuestionId in ('question1', 'question2', 'question3') and
ElementId in ('elem10', 'elem11', 'elem20', 'elem21')
group by Shop;
用连接的问题和元素生成一列(
QuestionID+ISNULL('-'+ElementID'),
),然后用动态SQL围绕该列旋转。@EzLo你是个邪恶的天才