SQL Server基于另一个表中的行透视多个列
在SQLServer2008R2中有以下两个源表和一个目标表。 如何在TSQL中使用pivot从源代码到达目标?我急需它 来源表1:ProdTypeSQL Server基于另一个表中的行透视多个列,sql,sql-server,sql-server-2008,Sql,Sql Server,Sql Server 2008,在SQLServer2008R2中有以下两个源表和一个目标表。 如何在TSQL中使用pivot从源代码到达目标?我急需它 来源表1:ProdType key name -------------- 1 Magazines 2 Journals 3 Books 4 Newspaper 来源表2:订单 seqno ODate Key Qty UnitPrice ----------------------
key name
--------------
1 Magazines
2 Journals
3 Books
4 Newspaper
来源表2:订单
seqno ODate Key Qty UnitPrice
--------------------------------------------------
1 2013-10-12 1 10 5
2 2013-10-12 4 20 3
3 2013-10-13 2 5 3
4 2013-10-14 4 50 5
5 2013-10-15 1 100 2.5
目的地表:订单详情
Odate Magazine Journals Books Newspaper
-----------------------------------------------------------------
12/10/2013 10 5 0 0 0 0 20 3
13/10/2013 0 0 5 3 0 0 0 0
14/10/2013 0 0 0 0 0 0 50 5
15/10/2013 100 2.5 0 0 0 0 0 0
-----------------------------------------------------------------
NOTE *qty *unit price
任何帮助都将不胜感激!正如您所知,我对T-SQL(或一般的SQL)和SQL Server非常陌生。提前谢谢 如果您不介意将数量和单价放在不同的表中,下面是一个查询数量目标表的示例:
;with cte as
(
SELECT ODate, Qty, UnitPrice, name FROM Orders INNER JOIN ProdType ON Orders.[Key] = ProdType.[Key]
)
SELECT ODate, [Magazines], [Journals], [Books], [Newspaper]
FROM cte
PIVOT
(
SUM(Qty)
FOR name IN ([Magazines], [Journals], [Books], [Newspaper])
) AS QTYPivot
如果您不介意将数量和单价放在不同的表中,下面是一个查询数量目标表的示例:
;with cte as
(
SELECT ODate, Qty, UnitPrice, name FROM Orders INNER JOIN ProdType ON Orders.[Key] = ProdType.[Key]
)
SELECT ODate, [Magazines], [Journals], [Books], [Newspaper]
FROM cte
PIVOT
(
SUM(Qty)
FOR name IN ([Magazines], [Journals], [Books], [Newspaper])
) AS QTYPivot
或动态,如果您想:
declare @stmt nvarchar(max)
select @stmt =
isnull(@stmt + ', ', '') +
'max(case when Name = ''' + name + ''' then Qty else 0 end) as ' + quotename(name + '_Qty') + ',' +
'max(case when Name = ''' + name + ''' then UnitPrice else 0 end) as ' + quotename(name + '_UnitPrice')
from ProdType
select @stmt = '
with cte as (
select
O.ODate, P.Name,
sum(O.Qty) as Qty,
sum(O.UnitPrice * O.Qty) / sum(O.Qty) as UnitPrice
from Orders as O
inner join ProdType as P on P.Id = O.Id
group by O.ODate, P.Name
)
select
ODate, ' + @stmt + ' from cte group by ODate'
exec dbo.sp_executesql
@stmt = @stmt
或动态,如果您想:
declare @stmt nvarchar(max)
select @stmt =
isnull(@stmt + ', ', '') +
'max(case when Name = ''' + name + ''' then Qty else 0 end) as ' + quotename(name + '_Qty') + ',' +
'max(case when Name = ''' + name + ''' then UnitPrice else 0 end) as ' + quotename(name + '_UnitPrice')
from ProdType
select @stmt = '
with cte as (
select
O.ODate, P.Name,
sum(O.Qty) as Qty,
sum(O.UnitPrice * O.Qty) / sum(O.Qty) as UnitPrice
from Orders as O
inner join ProdType as P on P.Id = O.Id
group by O.ODate, P.Name
)
select
ODate, ' + @stmt + ' from cte group by ODate'
exec dbo.sp_executesql
@stmt = @stmt
各位专家您好……有人能帮忙吗?我问了一个非常类似的问题-各位专家您好……有人能帮忙吗?我问了一个非常类似的问题-嗨,罗曼,谢谢您的帮助。但产品类型可能有所不同(可能较少/可能较多)。所以,我无法解决这个问题。有什么建议可以让它充满活力吗?@Amy实际上,关于它的问题已经很多了:)非常感谢,Roman。它工作得很好。你节省了我的时间,帮助我摆脱紧张的生活。真的很感激!:)是的……事实上,我也看了其他问题……但还是找不到我真正需要的。也许我对SQL太陌生了。嗨,罗曼,谢谢你的帮助。但产品类型可能有所不同(可能较少/可能较多)。所以,我无法解决这个问题。有什么建议可以让它充满活力吗?@Amy实际上,关于它的问题已经很多了:)非常感谢,Roman。它工作得很好。你节省了我的时间,帮助我摆脱紧张的生活。真的很感激!:)是的……事实上,我也看了其他问题……但还是找不到我真正需要的。也许我对SQL太陌生了…谢谢,Panayotis。根据我的项目要求,他们需要在同一个表中,也需要顺序。谢谢,Panayotis。根据我的项目要求,它们需要在同一个表中,也需要顺序。