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By: a guest on
May 26th, 2012 | syntax:
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How do I achieve transposing of rows into columns in MS SQL
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
DepartmentName, Employee1,Employee12,Employee13,Employee14
Marketing, Alex, Bob, Calvin, Dal
DepartmentName, RatePerDay1, RatePerDay2, RatePerDay3, RatePerDay4
Marketing, 40,30,40,30
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)