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Grouping SQL Server Query Question

Posted on 2011-09-26
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Last Modified: 2012-05-12
Hello experts,

I have this table structure

Application
ID, ContactID, ProgramTypeId, ReceivedDate, OtherMetadata

I want to get only the most recent ReceivedDate for a given ContactID, ProgramTypeId combination.

Let me know if you would like me to add sample data.

Thanks!
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Question by:freezegravity
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3 Comments
 
LVL 15

Expert Comment

by:tim_cs
ID: 36599636
;WITH CTE AS (
SELECT
   ContactID
   ,ProgramTypeID
   ,ReceivedDate
   ,ROW_NUMBER() OVER (Partition By ContactID, ProgramTypeID ORDER BY ReceivedDate DESC) RN
FROM
   Application
)

SELECT
   *
FROM
   CTE
WHERE
   RN = 1
0
 
LVL 5

Accepted Solution

by:
bitref earned 500 total points
ID: 36599687
Select ContactID, ProgramTypeId, MAX(ReceivedDate)
From Application
Group By ContactID, ProgramTypeId

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Author Closing Comment

by:freezegravity
ID: 36600198
I ended up using this query as it was easier to understand and gave the results I was expecting.

Thanks!
0

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