上海 A 16
上海 B 8
上海 C 19
上海 D 30
北京 A 19
北京 B 5
北京 C 7
北京 D 18
深圳 A 62
深圳 B 38
深圳 C 29
我现在想把他转换成行不知道可有什么方法。。?
区域 A B C D
上海 16 8 19 30
北京 19 5 7 18
深圳 62 38 29 0不知道这样的可有什么方法??
上海 B 8
上海 C 19
上海 D 30
北京 A 19
北京 B 5
北京 C 7
北京 D 18
深圳 A 62
深圳 B 38
深圳 C 29
我现在想把他转换成行不知道可有什么方法。。?
区域 A B C D
上海 16 8 19 30
北京 19 5 7 18
深圳 62 38 29 0不知道这样的可有什么方法??
/******************************************************************************************************************************************************
以学生成绩为例子,比较形象易懂整理人:中国风(Roy)日期:2008.06.06
******************************************************************************************************************************************************/--1、行互列
--> --> (Roy)生成測試數據
if not object_id('Class') is 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]
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]
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]=sum([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
--> --> (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--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(8 行受影响)
*/
select 区域 ,
A=max(case when col2='A' THEN COL3 ELSE 0 END),
B=max(case when col2='B' THEN COL3 ELSE 0 END),
C=max(case when col2='C' THEN COL3 ELSE 0 END),
D=max(case when col2='D' THEN COL3 ELSE 0 END)
FROM TB
GROUP BY 区域
-- Author : liangCK 小梁
-- Comment: 小梁 爱 兰儿
-- Date : 2009-09-10 14:11:23
-------------------------------------------
--> 生成测试数据: @tb
DECLARE @tb TABLE (区域 VARCHAR(4),名称 VARCHAR(1),值 INT)
INSERT INTO @tb
SELECT '上海','A',16 UNION ALL
SELECT '上海','B',8 UNION ALL
SELECT '上海','C',19 UNION ALL
SELECT '上海','D',30 UNION ALL
SELECT '北京','A',19 UNION ALL
SELECT '北京','B',5 UNION ALL
SELECT '北京','C',7 UNION ALL
SELECT '北京','D',18 UNION ALL
SELECT '深圳','A',62 UNION ALL
SELECT '深圳','B',38 UNION ALL
SELECT '深圳','C',29--SQL查询如下:SELECT *
FROM @tb
PIVOT(SUM(值) FOR 名称 IN(A,B,C,D)) AS pvt/*
区域 A B C D
---- ----------- ----------- ----------- -----------
北京 19 5 7 18
上海 16 8 19 30
深圳 62 38 29 NULL(3 row(s) affected)
*/
-- Author: flystone
-- Version:V1.001
-- Date:2009-09-10 14:10:27
-------------------------------------- Test Data: ta
If object_id('ta') is not null
Drop table ta
Go
Create table ta(col1 nvarchar(2),col2 nvarchar(1),col3 int)
Go
Insert into ta
select '上海','A',16 union all
select '上海','B',8 union all
select '上海','C',19 union all
select '上海','D',30 union all
select '北京','A',19 union all
select '北京','B',5 union all
select '北京','C',7 union all
select '北京','D',18 union all
select '深圳','A',62 union all
select '深圳','B',38 union all
select '深圳','C',29
Go
--Start
declare @s varchar(8000)
select @s = isnull(@s+',','')+'['+col2+']=max(case when col2='''+col2+''' then col3 else 0 end)' from (select distinct col2 from ta) aexec('select col1,'+@s+' from ta group by col1')
--Result:
/*
col1 A B C D
---- ----------- ----------- ----------- -----------
北京 19 5 7 18
上海 16 8 19 30
深圳 62 38 29 0
*/
--End
if object_id('TB')is not null drop table TB
go
create table TB(区域 varchar(10) ,COL2 varchar(20) ,COL3 INT)
insert into TB SELECT
'上海', 'A', 16 UNION ALL SELECT
'上海', 'B', 8 UNION ALL SELECT
'上海', 'C', 19 UNION ALL SELECT
'上海', 'D', 30 UNION ALL SELECT
'北京', 'A', 19 UNION ALL SELECT
'北京', 'B', 5 UNION ALL SELECT
'北京', 'C', 7 UNION ALL SELECT
'北京', 'D', 18 UNION ALL SELECT
'深圳', 'A', 62 UNION ALL SELECT
'深圳', 'B', 38 UNION ALL SELECT
'深圳', 'C', 29 select 区域 ,
A=max(case when col2='A' THEN COL3 ELSE 0 END),
B=max(case when col2='B' THEN COL3 ELSE 0 END),
C=max(case when col2='C' THEN COL3 ELSE 0 END),
D=max(case when col2='D' THEN COL3 ELSE 0 END)
FROM TB
GROUP BY 区域 区域 A B C D
---------- ----------- ----------- ----------- -----------
北京 19 5 7 18
上海 16 8 19 30
深圳 62 38 29 0(3 行受影响)
-- Author :fredrickhu(我是小F,向高手学习)
-- Date :2009-09-10 14:09:39
-- Version:
-- Microsoft SQL Server 2005 - 9.00.4035.00 (Intel X86)
-- Nov 24 2008 13:01:59
-- Copyright (c) 1988-2005 Microsoft Corporation
-- Developer Edition on Windows NT 5.2 (Build 3790: Service Pack 1)
--
----------------------------------------------------------------
--> 测试数据:[tb]
if object_id('[tb]') is not null drop table [tb]
go
create table [tb]([col1] varchar(4),[col2] varchar(1),[col3] int)
insert [tb]
select '上海','A',16 union all
select '上海','B',8 union all
select '上海','C',19 union all
select '上海','D',30 union all
select '北京','A',19 union all
select '北京','B',5 union all
select '北京','C',7 union all
select '北京','D',18 union all
select '深圳','A',62 union all
select '深圳','B',38 union all
select '深圳','C',29
--------------开始查询--------------------------
declare @s nvarchar(4000)
set @s=''
Select @s=@s+','+quotename([col2])+'=max(case when [col2]='+quotename([col2],'''')+' then [col3] else 0 end)'
from tb group by[col2]
exec('select [col1]'+@s+' from tb group by [col1]')
----------------结果----------------------------
/* col1 A B C D
---- ----------- ----------- ----------- -----------
北京 19 5 7 18
上海 16 8 19 30
深圳 62 38 29 0(3 行受影响)*/
create table tb(a nvarchar(10),b varchar(10),value decimal(14,2))
insert tb
select '上海', 'A', 16 union all select
'上海', 'B', 8 union all select
'上海', 'C', 19 union all select
'上海', 'D', 30 union all select
'北京', 'A', 19 union all select
'北京', 'B', 5 union all select
'北京', 'C', 7 union all select
'北京', 'D', 18 union all select
'深圳', 'A', 62 union all select
'深圳', 'B', 38 union all select
'深圳', 'C', 29
declare @sql nvarchar(4000)
SET @sql=N'select [a]' --初始化变量必须
select @sql=@sql+N','+
QUOTENAME(b,N'')+
N'=max(
case when [b]='+quotename(b,N'''')
+N' then value else 0 end)'
from tb group by b
print @sql
exec(@sql+N' from tb group by a')
/*
a A B C D
北京 19.00 5.00 7.00 18.00
上海 16.00 8.00 19.00 30.00
深圳 62.00 38.00 29.00 0.00
*/
create table tb(a nvarchar(10),b varchar(10),value decimal(14,2))
insert tb
select '上海', 'A', 16 union all select
'上海', 'B', 8 union all select
'上海', 'C', 19 union all select
'上海', 'D', 30 union all select
'北京', 'A', 19 union all select
'北京', 'B', 5 union all select
'北京', 'C', 7 union all select
'北京', 'D', 18 union all select
'深圳', 'A', 62 union all select
'深圳', 'B', 38 union all select
'深圳', 'C', 29
declare @sql nvarchar(4000)
SET @sql=N'select [a]' --初始化变量必须
select @sql=@sql+N','+
QUOTENAME(b,N'')+
N'=max(
case when [b]='+quotename(b,N'''')
+N' then value else 0 end)'
from tb group by b
print @sql
exec(@sql+N' from tb group by a')/*
select [a],[A]=max(
case when [b]='A' then value else 0 end),[B]=max(
case when [b]='B' then value else 0 end),[C]=max(
case when [b]='C' then value else 0 end),[D]=max(
case when [b]='D' then value else 0 end)
*/
/*
a A B C D
北京 19.00 5.00 7.00 18.00
上海 16.00 8.00 19.00 30.00
深圳 62.00 38.00 29.00 0.00
*/
select '上海' ,'A', 16 union all
select '上海' ,'B', 8 union all
select '上海' ,'C', 19 union all
select '上海' ,'D', 30 union all
select '北京' , 'A', 19 union all
select '北京' ,'B', 5 union all
select '北京' ,'C', 7 union all
select '北京' ,'D', 18 union all
select '深圳' ,'A', 62 union all
select '深圳' ,'B', 38 union all
select '深圳' ,'C', 29 declare @sql varchar(8000)
set @sql = 'select 区域 '
select @sql = @sql + ' , max(case col when '''+ col+''' then num else 0 end) [' + col + ']'
from (select distinct col from tb) as a
set @sql = @sql + ' from tb group by 区域'print @sql
exec(@sql)
DROP TABLE [tb]
GO
CREATE TABLE [tb]([区域] nvarchar(2),[col1] nvarchar(1),[col2] int)
INSERT [tb]
SELECT N'上海',N'A',16 UNION ALL
SELECT N'上海',N'B',8 UNION ALL
SELECT N'上海',N'C',19 UNION ALL
SELECT N'上海',N'D',30 UNION ALL
SELECT N'北京',N'A',19 UNION ALL
SELECT N'北京',N'B',5 UNION ALL
SELECT N'北京',N'C',7 UNION ALL
SELECT N'北京',N'D',18 UNION ALL
SELECT N'深圳',N'A',62 UNION ALL
SELECT N'深圳',N'B',38 UNION ALL
SELECT N'深圳',N'C',29
GO
--SELECT * FROM [tb]-->SQL查询如下:
DECLARE @s VARCHAR(max)
SELECT @s=ISNULL(@s+',','')+QUOTENAME(col1) FROM tb GROUP BY col1
SELECT @s='
SELECT *
FROM tb
PIVOT (MAX(col2) FOR col1 IN('+@s+'))b'
EXEC(@s)
/*
区域 A B C D
---- ----------- ----------- ----------- -----------
北京 19 5 7 18
上海 16 8 19 30
深圳 62 38 29 NULL(3 行受影响)
*/
select * from
ta pivot
(sum(col3) for col2 in (A,B,C))
as pvt