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MS SQL Pivot Tables

Somebody at work asked me today, "Ankeet it is hard to understand/remember how to use PIVOT tables in sql. Can you give me an example?". So here it is. I have used table name prefixes so as to make the code easier to understand and be able to identify where does each field come from. I rarely use pivot tables in sql.

use dbName
go


SELECT myPivotTable.CustomerID,
isnull(myPivotTable.[2003],0) as [2003 ActualPaid],
isnull(myPivotTable.[2004],0) as [2004 ActualPaid]
FROM
(
select phf.CustomerID, phf.SystemYear, phf.ActualPaid
from Sales as phf
where phf.CustomerID between 33131 and 33250
) AS mySourceTable
PIVOT
(
avg(mySourceTable.ActualPaid)
for mySourceTable.SystemYear in ([2003],[2004])
) AS myPivotTable
ORDER BY myPivotTable.CustomerID
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