--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 */原理是一样的,列多了就多写点
create table #tb(XBBH int,ZBDJBH varchar(20), ONE numeric(12,2),TWO numeric(12,2),GUANCI varchar(10)) insert into #tb select 172753,'HNT00010163',616,255,'配比' union all select 172754,'HNT00010163',643,278,'第1罐' union all select 172755,'HNT00010163',616,255,'配比' union all select 172756,'HNT00010163',604,292,'第2罐' union all select 172757,'HNT00010163',1247,570,'累计值' union all select 172758,'HNT00010163',1.22,11.76,'总误差%'declare @sql varchar(8000) set @sql='' select @sql=@sql + ',[ONE'+rtrim(GUANCI)+']=max(case GUANCI when '''+rtrim(GUANCI)+''' then ONE end)' from #tb group by GUANCI select @sql=@sql + ',[TWO'+rtrim(GUANCI)+']=max(case GUANCI when '''+rtrim(GUANCI)+''' then TWO end)' from #tb group by GUANCI exec('select ZBDJBH'+@sql+'from #tb group by ZBDJBH' )drop table #tb/* ZBDJBH ONE第1罐 ONE第2罐 ONE累计值 ONE配比 ONE总误差% TWO第1罐 TWO第2罐 TWO累计值 TWO配比 TWO总误差% HNT00010163 643.00 604.00 1247.00 616.00 1.22 278.00 292.00 570.00 255.00 11.76 */
if OBJECT_ID('tempdb..#temp', 'u') is not null drop table #temp; go create table #temp( [XBBH] varchar(100), [ZBDJBH] varchar(100), [ONE] varchar(100), [TWO] varchar(100), [GUANCI] varchar(100)); insert #temp select '172753','HNT00010163','616','255','配比' union all select '172754','HNT00010163','643','278','第1罐' union all select '172755','HNT00010163','616','255','配比' union all select '172756','HNT00010163','604','292','第2罐' union all select '172757','HNT00010163','1247','570','累计值' union all select '172758','HNT00010163','1.22','11.76','总误差%' --SQL DECLARE @sql NVARCHAR(MAX), @colList NVARCHAR(MAX) SET @colList = STUFF(( SELECT ','+QUOTENAME(guanci+(CASE WHEN rowid > 1 THEN LTRIM(rowid) ELSE '' END)) FROM ( SELECT rowid = ROW_NUMBER() OVER(PARTITION BY zbdjbh, guanci ORDER BY GETDATE()), * FROM ( select zbdjbh,one,guanci='one'+guanci from #temp UNION ALL select zbdjbh,two,guanci='two'+guanci from #temp --这儿把剩下8个补全 ) x ) t FOR XML PATH('')),1,1,'')SET @sql = N' SELECT * FROM ( SELECT zbdjbh,one,guanci=guanci+(CASE WHEN rowid > 1 THEN LTRIM(rowid) ELSE '''' END) FROM ( SELECT rowid = ROW_NUMBER() OVER(PARTITION BY zbdjbh, guanci ORDER BY GETDATE()), * FROM ( select zbdjbh,one,guanci=''one''+guanci from #temp UNION ALL select zbdjbh,two,guanci=''two''+guanci from #temp --这儿把剩下8个补全 ) x ) t ) y PIVOT ( MAX(one) FOR guanci IN('+ @colList +') ) M ' PRINT @sql EXEC(@sql) /* zbdjbh one第1罐 one第2罐 one累计值 one配比 one配比2 one总误差% two第1罐 two第2罐 two累计值 two配比 two配比2 two总误差% HNT00010163 643 604 1247 616 616 1.22 278 292 570 255 255 11.76 */
--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
*/原理是一样的,列多了就多写点
ONE numeric(12,2),TWO numeric(12,2),GUANCI varchar(10))
insert into #tb
select 172753,'HNT00010163',616,255,'配比'
union all select 172754,'HNT00010163',643,278,'第1罐'
union all select 172755,'HNT00010163',616,255,'配比'
union all select 172756,'HNT00010163',604,292,'第2罐'
union all select 172757,'HNT00010163',1247,570,'累计值'
union all select 172758,'HNT00010163',1.22,11.76,'总误差%'declare @sql varchar(8000)
set @sql=''
select @sql=@sql + ',[ONE'+rtrim(GUANCI)+']=max(case GUANCI when '''+rtrim(GUANCI)+''' then ONE end)'
from #tb group by GUANCI
select @sql=@sql + ',[TWO'+rtrim(GUANCI)+']=max(case GUANCI when '''+rtrim(GUANCI)+''' then TWO end)'
from #tb group by GUANCI
exec('select ZBDJBH'+@sql+'from #tb group by ZBDJBH' )drop table #tb/*
ZBDJBH ONE第1罐 ONE第2罐 ONE累计值 ONE配比 ONE总误差% TWO第1罐 TWO第2罐 TWO累计值 TWO配比 TWO总误差%
HNT00010163 643.00 604.00 1247.00 616.00 1.22 278.00 292.00 570.00 255.00 11.76
*/
go
create table #temp( [XBBH] varchar(100), [ZBDJBH] varchar(100), [ONE] varchar(100), [TWO] varchar(100), [GUANCI] varchar(100));
insert #temp
select '172753','HNT00010163','616','255','配比' union all
select '172754','HNT00010163','643','278','第1罐' union all
select '172755','HNT00010163','616','255','配比' union all
select '172756','HNT00010163','604','292','第2罐' union all
select '172757','HNT00010163','1247','570','累计值' union all
select '172758','HNT00010163','1.22','11.76','总误差%' --SQL
DECLARE @sql NVARCHAR(MAX), @colList NVARCHAR(MAX)
SET @colList = STUFF((
SELECT ','+QUOTENAME(guanci+(CASE WHEN rowid > 1 THEN LTRIM(rowid) ELSE '' END))
FROM
(
SELECT rowid = ROW_NUMBER() OVER(PARTITION BY zbdjbh, guanci ORDER BY GETDATE()), * FROM
(
select zbdjbh,one,guanci='one'+guanci from #temp
UNION ALL
select zbdjbh,two,guanci='two'+guanci from #temp
--这儿把剩下8个补全
) x
) t
FOR XML PATH('')),1,1,'')SET @sql = N'
SELECT * FROM
(
SELECT zbdjbh,one,guanci=guanci+(CASE WHEN rowid > 1 THEN LTRIM(rowid) ELSE '''' END)
FROM
(
SELECT rowid = ROW_NUMBER() OVER(PARTITION BY zbdjbh, guanci ORDER BY GETDATE()), * FROM
(
select zbdjbh,one,guanci=''one''+guanci from #temp
UNION ALL
select zbdjbh,two,guanci=''two''+guanci from #temp
--这儿把剩下8个补全
) x
) t
) y
PIVOT
(
MAX(one) FOR guanci IN('+ @colList +')
) M
'
PRINT @sql
EXEC(@sql)
/*
zbdjbh one第1罐 one第2罐 one累计值 one配比 one配比2 one总误差% two第1罐 two第2罐 two累计值 two配比 two配比2 two总误差%
HNT00010163 643 604 1247 616 616 1.22 278 292 570 255 255 11.76
*/