行列互換

--> --> (Roy)產生測試數據 if not object_id('Class') is null    drop table ClassGoCreate table Class([Student] nvarchar(2),[數學] int,[物理] int,[英語] int,[語文] int)Insert Classselect N'李四',77,85,65,65 union allselect N'張三',87,90,82,78godeclare @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 whereid=object_id('Class') and Name not in('Student')--print @s+' '+@s2+' '+@s3+' exec('+@s4+')' 顯示執行語句exec(@s+' '+@s2+' '+@s3+' exec('+@s4+')')/*科目   李四   張三---- ---- ----數學   77   87物理   85   90英語   65   82語文   65   78*/
其它方法
http://topic.csdn.net/u/20080614/17/22e73f33-f071-46dc-b9bf-321204b1656f.html?seed=562318242