IF OBJECT_ID(‘tempdb..#ABC‘) IS NOT NULL  
DROP TABLE #ABC  
  
create table #ABC  
(  
ID  INT  
,UserID BIGINT    
,UserExamID INT   
,TestPaperID INT      
,QuestionID INT  
,AnswerID   INT  
,Ctime DATETIME  
)  
INSERT INTO #ABC  
SELECT 1,120629210042331600,1,3,22,49,GETDATE() UNION ALL  
SELECT 2
 
,120629210042331600,1,3,23,51,GETDATE() UNION ALL  
SELECT 3,120629210042331600,1,3,24,56,GETDATE() UNION ALL  
SELECT 4,120629210042331600,1,3,25,62,GETDATE() UNION ALL  
SELECT 5,120629210042331600,1,3,26,66,GETDATE() UNION ALL  
SELECT 6,120629210042331600,1,3,27,72,GETDATE() UNION ALL  
SELECT 7,120629210042331600,1,3,28,77,GETDATE
 
() UNION ALL  
SELECT 8,120629210042331600,1,3,29,81,GETDATE() UNION ALL  
SELECT 9,120629210042331600,1,3,30,86,GETDATE() UNION ALL  
SELECT 10,120629210042331600,1,3,31,90,GETDATE() UNION ALL  
SELECT 1,120629210011732588,1,3,22,49,GETDATE() UNION ALL  
SELECT 2,120629210011732588,1,3,23,51,GETDATE() UNION ALL  
SELECT 3
 
,120629210011732588,1,3,24,56,GETDATE() UNION ALL  
SELECT 4,120629210011732588,1,3,25,62,GETDATE() UNION ALL  
SELECT 5,120629210011732588,1,3,26,66,GETDATE() UNION ALL  
SELECT 6,120629210011732588,1,3,27,72,GETDATE() UNION ALL  
SELECT 7,120629210011732588,1,3,28,77,GETDATE() UNION ALL  
SELECT 8,120629210011732588,1,3,29,81,GETDATE() UNION ALL  
SELECT 9,120629210011732588,1,3,30,86,GETDATE() UNION ALL  
SELECT 10,120629210011732588,1,3,31,90,GETDATE()    
  
SELECT * FROM #ABC  


DECLARE @s NVARCHAR(4000)  
SELECT @s = ISNULL(@s + ‘,‘, ‘‘) +  QUOTENAME(QuestionID)  
FROM  (select distinct QuestionID from #ABC) as A ---列名不要重復  
  
Declare @sql NVARCHAR(4000)  
SET @sql=‘  
 select r.* from  
(select UserID,QuestionID,AnswerID from #ABC) as t  
pivot  
(  
max(t.AnswerID)  
for t.QuestionID in (‘+@s+‘)  
) as r‘  
   
EXEC( @sql) 

如果要消除NULL，[email protected] ISNULL(字段.0) AS [字段]

行列轉換的例子