行列互换

--> --> (Roy)生成測試數據
 
if not object_id('Class') is null
    drop table Class
Go
Create table Class([Student] nvarchar(2),[数学] int,[物理] int,[英语] int,[语文] int)
Insert Class
select N'李四',77,85,65,65 union all
select N'张三',87,90,82,78
go

declare @s nvarchar(4000),@s2 nvarchar(4000),@s3 nvarchar(4000),@s4 nvarchar(4000)
select 
	@s=isnull(@s+',','declare ')+'@'+rtrim(Colid)+' nvarchar(4000)',
	@s2=isnull(@s2+',','select ')+'@'+rtrim(Colid)+'='''+case when @s2 is not null then 'union all select' else ' select ' end+'  [科目]='''+quotename(Name,'''')+'''''',
	@s3=isnull(@s3,'')+'select @'+rtrim(Colid)+'=@'+rtrim(Colid)+'+'',''+quotename([Student])+''=''+quotename('+quotename(Name)+','''''''')  from Class ',
	@s4=isnull(@s4+'+','')+'@'+rtrim(Colid)
from 
	syscolumns 
where
	id=object_id('Class') and Name not in('Student')
--print @s+' '+@s2+' '+@s3+' exec('+@s4+')' 显示执行语句
exec(@s+' '+@s2+' '+@s3+' exec('+@s4+')')

/*
科目   李四   张三
---- ---- ----
数学   77   87
物理   85   90
英语   65   82
语文   65   78
*/


其它方法


http://topic.csdn.net/u/20080614/17/22e73f33-f071-46dc-b9bf-321204b1656f.html?seed=562318242
 
  
 
 
 

原文链接： http://blog.csdn.net/roy_88/article/details/2715856