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Select Last Sale Date

Posted on 2011-03-14
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Last Modified: 2012-08-13
Hello,

I have a SaleTable with upc, movement date, store, vendor and qnty as part of the record.  I have InvTable with  upc, store, and vendor as part of the record.  I need to return the top n records (last n times the upc was sold by date) from the SaleTable for each record in the InvTable.  The returned number of records needs to be for each upc, store, vendor.  So if I want to return the top 2 reocrds from the SaleTable it would be the lastest two dates that the upc was sold for each store and vendor.

Thanks,
John
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Question by:JohnJMA
3 Comments
 
LVL 26

Assisted Solution

by:Shaun Kline
Shaun Kline earned 50 total points
ID: 35131340
Since you are using SS2K8, you can use Row_Number to limit your data:
http://msdn.microsoft.com/en-us/library/ms186734.aspx
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LVL 40

Accepted Solution

by:
Sharath earned 450 total points
ID: 35131673
try this.
SELECT * 
  FROM (SELECT s.*, 
               ROW_NUMBER() 
                 OVER(PARTITION BY s.upc,s.vendor,s.store ORDER BY s.movement_date DESC) rn 
          FROM InvTable i 
               JOIN SalesTable s 
                 ON i.upc = s.upc 
                    AND i.vendor = s.vendor 
                    AND i.store = s.store) t1 
 WHERE rn <= 2

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Author Closing Comment

by:JohnJMA
ID: 35141871
Thanks to both of you.  Sharath your solution was right on the mark.  Shaun Kline thanks for the link
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