--静态的 select indentid,styleid,colorid, sum(case when sizeid=1 then nums) '尺码1', sum(case when sizeid=2 then nums) '尺码2', sum(case when sizeid=3 then nums) '尺码3', sum(case when sizeid=4 then nums) '尺码4' from tb group by indentid,styleid,colorid
declare @sql varchar(8000) set @sql = 'select 单号 , 款号 , 颜色 ' select @sql = @sql + ' , sum(case px when ''' + cast(px as varchar) + ''' then 数量 else 0 end) [尺码' + cast(px as varchar) + ']' from (select distinct px from (select * , px = (select count(1) from tb where 单号 = t.单号 and 款号 = t.款号 and 颜色 = t.颜色 and 尺码 < t.尺码) + 1 from tb t) m ) as a set @sql = @sql + ' from (select * , px = (select count(1) from tb where 单号 = t.单号 and 款号 = t.款号 and 颜色 = t.颜色 and 尺码 < t.尺码) + 1 from tb t) m group by 单号 , 款号 , 颜色' exec(@sql)
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) */
--静态的 select indentid,styleid,colorid, sum(case when sizeid=1 then nums else 0) '尺码1', sum(case when sizeid=2 then nums else 0) '尺码2', sum(case when sizeid=3 then nums else 0) '尺码3', sum(case when sizeid=4 then nums else 0) '尺码4' from tb group by indentid,styleid,colorid
declare @s varchar(8000) set @s='select indentid 单号,styleid 款号,colorid 颜色 ' select @s=@s+',sum(case when sizeid = '''+sizeid+''' then nums else 0 end) ['+尺码+ltrim(sizeid)+']' from (select distinct sizeid from tb) t select @s=@s+' from tb group by indentid ,styleid ,colorid 'exec(@s)--把里面的tb改为你的表名
--动态的 declare @sql varchar(1000) set @sql='select indentid,styleid,colorid' select @sql=',+(case when sizeid= ' +sizeid+ ' then nums else 0 end) ['+sizeid+']' from (select indentid from tb) bb set @sql=@sql+'from tb group by UserName' exec(@sql)
declare @s varchar(8000) set @s='select indentid 单号,styleid 款号,colorid 颜色 ' select @s=@s+',sum(case when sizeid = '''+sizeid+''' then nums else 0 end) ['+'尺码'+ltrim(sizeid)+']'--尺码补个引号 from (select distinct sizeid from tb) t select @s=@s+' from tb group by indentid ,styleid ,colorid 'exec(@s)--把里面的tb改为你的表名
更正下 declare @sql varchar(1000) set @sql='select indentid,styleid,colorid' select @sql=',+(case when sizeid= '''+sizeid+''' then nums else 0 end) ['+sizeid+']' from (select distinct indentid from tb) bb set @sql=@sql+'from tb group by UserName' exec(@sql)
declare @sql varchar(1000) set @sql='select indentid,styleid,colorid' select @sql=',+(case when sizeid= '''+sizeid+''' then nums else 0 end) ['+sizeid+']' from (select distinct indentid from tb) bb set @sql=@sql+'from tb group by indentid,styleid,colorid' exec(@sql)
declare @s varchar(8000) set @s='select indentid 单号,styleid 款号,colorid 颜色 ' select @s=@s+',sum(case when sizeid = '''+cast(sizeid as varchar)+''' then nums else 0 end) ['+'尺码'+ltrim(sizeid)+']'--尺码补个引号,如果尺码是数值的,要这样 from (select distinct sizeid from tb) t select @s=@s+' from tb group by indentid ,styleid ,colorid 'exec(@s)--把里面的tb改为你的表名
declare @s varchar(8000) set @s='select indentid 单号,styleid 款号,colorid 颜色 ' select @s=@s+',sum(case when sizeid = '''+sizeid+''' then nums else 0 end) ['+'尺码'+ltrim(sizeid)+']'--尺码补个引号 from (select distinct sizeid from tb) t select @s=@s+',[合计数]=sum(nums) from tb group by indentid ,styleid ,colorid union all select'exec(@s)
declare @sql varchar(1000) set @sql='select indentid,styleid,colorid' select @sql=',+(case when sizeid= '''+sizeid+''' then nums else 0 end) ['+sizeid+']' from (select distinct indentid from tb) bb set @sql=@sql+'from tb group by indentid,styleid,colorid' exec(@sql)
declare @sql varchar(8000) set @sql = 'select 单号 , 款号 , 颜色 ' select @sql = @sql + ' , sum(case px when ''' + cast(px as varchar) + ''' then 数量 else 0 end) [尺码' + cast(px as varchar) + ']' from (select distinct px from (select * , px = (select count(1) from tb where 单号 = t.单号 and 款号 = t.款号 and 颜色 = t.颜色 and 尺码 < t.尺码) + 1 from tb t) m ) as a set @sql = @sql + ' , sum(数量) 合计 from (select * , px = (select count(1) from tb where 单号 = t.单号 and 款号 = t.款号 and 颜色 = t.颜色 and 尺码 < t.尺码) + 1 from tb t) m group by 单号 , 款号 , 颜色' exec(@sql)
select indentid,styleid,colorid,
sum(case when sizeid=1 then nums) '尺码1',
sum(case when sizeid=2 then nums) '尺码2',
sum(case when sizeid=3 then nums) '尺码3',
sum(case when sizeid=4 then nums) '尺码4'
from tb group by indentid,styleid,colorid
set @sql = 'select 单号 , 款号 , 颜色 '
select @sql = @sql + ' , sum(case px when ''' + cast(px as varchar) + ''' then 数量 else 0 end) [尺码' + cast(px as varchar) + ']'
from (select distinct px from (select * , px = (select count(1) from tb where 单号 = t.单号 and 款号 = t.款号 and 颜色 = t.颜色 and 尺码 < t.尺码) + 1 from tb t) m ) as a
set @sql = @sql + ' from (select * , px = (select count(1) from tb where 单号 = t.单号 and 款号 = t.款号 and 颜色 = t.颜色 and 尺码 < t.尺码) + 1 from tb t) m group by 单号 , 款号 , 颜色'
exec(@sql)
/******************************************************************************************************************************************************
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 indentid,styleid,colorid,
sum(case when sizeid=1 then nums else 0) '尺码1',
sum(case when sizeid=2 then nums else 0) '尺码2',
sum(case when sizeid=3 then nums else 0) '尺码3',
sum(case when sizeid=4 then nums else 0) '尺码4'
from tb group by indentid,styleid,colorid
set @s='select indentid 单号,styleid 款号,colorid 颜色 '
select @s=@s+',sum(case when sizeid = '''+sizeid+''' then nums else 0 end) ['+尺码+ltrim(sizeid)+']'
from (select distinct sizeid from tb) t
select @s=@s+' from tb group by indentid ,styleid ,colorid 'exec(@s)--把里面的tb改为你的表名
declare @sql varchar(1000)
set @sql='select indentid,styleid,colorid'
select @sql=',+(case when sizeid= ' +sizeid+ ' then nums else 0 end) ['+sizeid+']'
from (select indentid from tb) bb
set @sql=@sql+'from tb group by UserName'
exec(@sql)
set @s='select indentid 单号,styleid 款号,colorid 颜色 '
select @s=@s+',sum(case when sizeid = '''+sizeid+''' then nums else 0 end) ['+'尺码'+ltrim(sizeid)+']'--尺码补个引号
from (select distinct sizeid from tb) t
select @s=@s+' from tb group by indentid ,styleid ,colorid 'exec(@s)--把里面的tb改为你的表名
declare @sql varchar(1000)
set @sql='select indentid,styleid,colorid'
select @sql=',+(case when sizeid= '''+sizeid+''' then nums else 0 end) ['+sizeid+']'
from (select distinct indentid from tb) bb
set @sql=@sql+'from tb group by UserName'
exec(@sql)
set @sql='select indentid,styleid,colorid'
select @sql=',+(case when sizeid= '''+sizeid+''' then nums else 0 end) ['+sizeid+']'
from (select distinct indentid from tb) bb
set @sql=@sql+'from tb group by indentid,styleid,colorid'
exec(@sql)
set @s='select indentid 单号,styleid 款号,colorid 颜色 '
select @s=@s+',sum(case when sizeid = '''+cast(sizeid as varchar)+''' then nums else 0 end) ['+'尺码'+ltrim(sizeid)+']'--尺码补个引号,如果尺码是数值的,要这样
from (select distinct sizeid from tb) t
select @s=@s+' from tb group by indentid ,styleid ,colorid 'exec(@s)--把里面的tb改为你的表名
应该怎么写?
set @s='select indentid 单号,styleid 款号,colorid 颜色 '
select @s=@s+',sum(case when sizeid = '''+sizeid+''' then nums else 0 end) ['+'尺码'+ltrim(sizeid)+']'--尺码补个引号
from (select distinct sizeid from tb) t
select @s=@s+',[合计数]=sum(nums) from tb group by indentid ,styleid ,colorid union all select'exec(@s)
declare @sql varchar(1000)
set @sql='select indentid,styleid,colorid'
select @sql=',+(case when sizeid= '''+sizeid+''' then nums else 0 end) ['+sizeid+']'
from (select distinct indentid from tb) bb
set @sql=@sql+'from tb group by indentid,styleid,colorid'
exec(@sql)
set @sql = 'select 单号 , 款号 , 颜色 '
select @sql = @sql + ' , sum(case px when ''' + cast(px as varchar) + ''' then 数量 else 0 end) [尺码' + cast(px as varchar) + ']'
from (select distinct px from (select * , px = (select count(1) from tb where 单号 = t.单号 and 款号 = t.款号 and 颜色 = t.颜色 and 尺码 < t.尺码) + 1 from tb t) m ) as a
set @sql = @sql + ' , sum(数量) 合计 from (select * , px = (select count(1) from tb where 单号 = t.单号 and 款号 = t.款号 and 颜色 = t.颜色 and 尺码 < t.尺码) + 1 from tb t) m group by 单号 , 款号 , 颜色'
exec(@sql)