如何在MS SQL中实现行到列的转换

我有两张桌子：

部门-<员工

Department表包含以下数据：

id, Name
1, Marketing
2, Sales

id, Name, DepartmentId, RatePerDay
1, Alex,1, 40
2, Bob,1, 30
3, Calvin,1, 40
4, Dal,1, 30

Employees表包含以下数据：

id, Name
1, Marketing
2, Sales

id, Name, DepartmentId, RatePerDay
1, Alex,1, 40
2, Bob,1, 30
3, Calvin,1, 40
4, Dal,1, 30

我想为每个部门返回两个数据集，如下所示：

DepartmentName, Employee1,Employee12,Employee13,Employee14
Marketing, Alex, Bob, Calvin, Dal

DepartmentName, RatePerDay1, RatePerDay2, RatePerDay3, RatePerDay4
Marketing, 40,30,40,30

我必须编写一个MS SQL 2008存储过程来实现这个结果

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感谢您的任何帮助

Pivot可能对您的工作有用：

http://archive.msdn.microsoft.com/SQLExamples/Wiki/View.aspx?title=PIVOTData

好的，首先看一下，因为您需要动态SQL。然后，您可以尝试以下操作：

DECLARE @EmployeesId VARCHAR(MAX), @EmployeesIdAlias VARCHAR(MAX), @Query1 VARCHAR(MAX), @Query2 VARCHAR(MAX)
DECLARE @Rates VARCHAR(MAX), @RatesAlias VARCHAR(MAX)

SELECT  @EmployeesId = ISNULL(@EmployeesId + ',', '') + '[' + CAST(Id AS VARCHAR(10)) + ']',
        @EmployeesIdAlias = ISNULL(@EmployeesIdAlias + ',', '') + '[' + CAST(Id AS VARCHAR(10)) + '] AS [Employee ' + CAST(Id AS VARCHAR(10)) + ']',
        @RatesAlias = ISNULL(@RatesAlias + ',', '') + '[' + CAST(Id AS VARCHAR(10)) + '] AS [Rate ' + CAST(Id AS VARCHAR(10)) + ']'
FROM Employees


SET @Query1 = '
SELECT Department, '+@EmployeesIdAlias+'
FROM (  SELECT A.Id, A.Name, B.Name Department
        FROM Employees A
        INNER JOIN Department B
        ON A.DepartmentId = B.Id) Source
PIVOT(MIN(Name) FOR Id IN ('+@EmployeesId+')) AS PT'

EXEC(@Query1)

SET @Query2 = '
SELECT Department, '+@RatesAlias+'
FROM (  SELECT A.Id, A.RatePerDay, B.Name Department
        FROM Employees A
        INNER JOIN Department B
        ON A.DepartmentId = B.Id) Source
PIVOT(MIN(RatePerDay) FOR Id IN ('+@EmployeesId+')) AS PT'

EXEC(@Query2)

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有许多相同的问题行到列TSQL可能重复