SQL select Duplicates if

can you please help,
I need to find duplicate orders that has SAME ( Accountnumber,OrderDate, DeliveryCompanyName, DeliveryAddress)
BUT OrderDate Time difference of less than 15 minutes in between.

Select OrderNo, OrderDate, Accountnumber, DeliveryCompanyName, DeliveryAddress
From Activeorders
Where OrderDate Between '2015-01-01 05:00:00.000 ' and '2015-12-31 23:59:00.000'

Any help is appreciated.
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Brian CroweDatabase AdministratorCommented:
FROM ActiveOrders AS O
INNER JOIN ActiveOrder AS O2
   ON O.OrderNo <> O2.OrderNo
   AND O.AccountNumber = O2.AccountNumber
   AND O.DeliveryCompanyName = O2.DeliveryCompanyName
   AND O.DeliveryAddress = O2.DeliveryAddress
   AND O.OrderDate Between '2015-01-01 05:00:00.000 ' and '2015-12-31 23:59:00.000'
   AND ABS(DATEDIFF(MINUTE, O.OrderDate, O2.OrderDate)) <= 15

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W.E.BAuthor Commented:
Thank you.
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Microsoft SQL Server 2008

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