行列转换的结果有多条记录，怎么写？

[michelle_weimei]

Table:
Date Budget SO Invoice
2012-06-01 100 50 30
2012-06-02 120 40 60
2012-06-03 90 60 40
2012-06-04 110 80 60
........

我想要的结果是：
date 2012-06-01 2012-06-02 2012-06-03 2012-06-04 ......
budget 100 120 90 110
SO 50 40 60 80
Invoice 30 60 40 60

[sgtzzc]

行列转换，精华帖里找，一箩筐

[开着拖拉机泡妞]

--行列互转
--摘自中国风博客，引用请标明内容来源
--1、行换列
if object_id('Class') is not  null
    drop table Class
Go
Create table Class(
[Student] nvarchar(2),
[Course] nvarchar(2),
[Score] int)
Insert Class
select N'张三',N'语文',78 union all
select N'张三',N'数学',87 union all
select N'张三',N'英语',82 union all
select N'张三',N'物理',90 union all
select N'李四',N'语文',65 union all
select N'李四',N'数学',77 union all
select N'李四',N'英语',65 union all
select N'李四',N'物理',85 
Go

--2000方法:
--动态:
declare @s nvarchar(4000)
set @s=''
Select @s=@s+','+quotename([Course])+'=max(case when [Course]='    
   
    +quotename([Course],'''')+' then [Score] else 0 end)'
from 
    Class group by[Course]
--select @s
exec('select [Student]'+@s+' from Class group by [Student]')
--生成静态:
select 
    [Student],
    [数学]=max(case when [Course]='数学' then [Score] else 0 end),
    [物理]=max(case when [Course]='物理' then [Score] else 0 end),
    [英语]=max(case when [Course]='英语' then [Score] else 0 end),
    [语文]=max(case when [Course]='语文' then [Score] else 0 end) 
from 
    Class 
group by [Student]
GO
--动态:

declare @s nvarchar(4000)
Select @s=isnull(@s+',','')+quotename([Course]) from Class group by[Course]
select @s
exec('select * from Class pivot (max([Score]) for [Course] in('+@s+'))b')

--生成静态:
select * 
from 
    Class 
pivot 
    (max([Score]) for [Course] in([数学],[物理],[英语],[语文]))b

--生成格式:
/*
Student 数学         物理         英语         语文
------- ----------- ----------- ----------- -----------
李四     77          85          65          65
张三     87          90          82          78

(2 行受影响)
*/

go
--加上总成绩(学科平均分)

--2000方法:
--动态:

declare @s nvarchar(4000)
set @s=''
Select @s=@s+','+quotename([Course])+'=max(case when [Course]='+quotename([Course],'''')+'then [Score] else 0 end)'
from Class group by[Course]
exec('select [Student]'+@s+',[总成绩]=sum([Score])  from Class group by [Student]')--加多一列(学科平均分用avg([Score]))

生成动态:

select 
    [Student],
    [数学]=max(case when [Course]='数学' then [Score] else 0 end),
    [物理]=max(case when [Course]='物理' then [Score] else 0 end),
    [英语]=max(case when [Course]='英语' then [Score] else 0 end),
    [语文]=max(case when [Course]='语文' then [Score] else 0 end),
    [总成绩]=([Score]) --加多一列(学科平均分用avg([Score]))
from 
    Class 
group by [Student]

go

--2005方法:

动态:

declare @s nvarchar(4000)
Select  @s=isnull(@s+',','')+quotename([Course]) from Class group by[Course] 
--isnull(@s+',','') 去掉字符串@s中第一个逗号

exec('select [Student],'+@s+',[总成绩] from (select *,[总成绩]=sum([Score])over(partition by [Student]) from Class) a 
pivot (max([Score]) for [Course] in('+@s+'))b ')

--生成静态:

select 
    [Student],[数学],[物理],[英语],[语文],[总成绩] 
from 
    (select *,[总成绩]=sum([Score])over(partition by [Student]) from Class) a --平均分时用avg([Score])
pivot 
    (max([Score]) for [Course] in([数学],[物理],[英语],[语文]))b 

生成格式:

/*
Student 数学         物理         英语         语文         总成绩
------- ----------- ----------- ----------- ----------- -----------
李四     77          85          65          65          292
张三     87          90          82          78          337

(2 行受影响)
*/

go

--2、列转行
 
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

--2000:

动态:

declare @s nvarchar(4000)
select @s=isnull(@s+' union all ','')+'select [Student],[Course]='+quotename(Name,'''')--isnull(@s+' union all ','') 去掉字符串@s中第一个union all
+',[Score]='+quotename(Name)+' from Class'
from syscolumns where ID=object_id('Class') and Name not in('Student')--排除不转换的列
order by Colid
exec('select * from ('+@s+')t order by [Student],[Course]')--增加一个排序

生成静态:
select * 
from (select [Student],[Course]='数学',[Score]=[数学] from Class union all 
select [Student],[Course]='物理',[Score]=[物理] from Class union all 
select [Student],[Course]='英语',[Score]=[英语] from Class union all 
select [Student],[Course]='语文',[Score]=[语文] from Class)t 
order by [Student],[Course]

go
--2005:

动态:

declare @s nvarchar(4000)
select @s=isnull(@s+',','')+quotename(Name)
from syscolumns where ID=object_id('Class') and Name not in('Student') 
order by Colid
exec('select Student,[Course],[Score] from Class unpivot ([Score] for [Course] in('+@s+'))b')

go
select 
    Student,[Course],[Score] 
from 
    Class 
unpivot 
    ([Score] for [Course] in([数学],[物理],[英语],[语文]))b
生成格式:
/*
Student Course Score
------- ------- -----------
李四     数学     77
李四     物理     85
李四     英语     65
李四     语文     65
张三     数学     87
张三     物理     90
张三     英语     82
张三     语文     78
*/


--用动态的就好了

[唐诗三百首]

create table mic
(cDate date, Budget int, SO int, Invoice int)

insert into mic
select '2012-06-01', 100, 50, 30 union all
select '2012-06-02', 120, 40, 60 union all
select '2012-06-03', 90, 60, 40 union all
select '2012-06-04', 110, 80, 60


select c 'date',[2012-06-01],[2012-06-02],[2012-06-03],[2012-06-04]
from
(select cDate,c,v
 from mic a
 unpivot(v for c in([Budget],[SO],[Invoice])) u) b
pivot(max(v) for cDate 
in([2012-06-01],[2012-06-02],[2012-06-03],[2012-06-04])) p

/*
date       2012-06-01  2012-06-02  2012-06-03  2012-06-04
---------- ----------- ----------- ----------- -----------
Budget     100         120         90          110
Invoice    30          60          40          60
SO         50          40          60          80

(3 row(s) affected)
*/

[davidcoffee]

[Quote=引用 3 楼 的回复:]

SQL code

create table mic
(cDate date, Budget int, SO int, Invoice int)

insert into mic
select '2012-06-01', 100, 50, 30 union all
select '2012-06-02', 120, 40, 60 union all
select '2012-06-03', 9……
[/Quote]
不错十分有用