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AskSQLTeam
Ask SQLTeam Question
0 Posts |
 Posted - 2001-06-21 : 11:05:17
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Tobey writes "I am trying to write a query that will return a list of items and, for each item, the top 5 other items that people also bought if they bought that one.
I can do it using ColdFusion by looping through the list of items and doing a separate query for each item, like so:
Select upc from item inner join shot on shot.shotid=item.shotid where shot.lastbook='Clearance2001' order by upc
SELECT top 4 sum(qty) as thecount, ordersitem.UPC FROM OrdersItem inner join Item on (OrdersItem.UPC=Item.UPC) inner join shot on (item.shotid=shot.shotid) WHERE shot.lastbook='Clearance2001' and item.UPC <> #UPC# and Salehold=0 and Soldout=0 and
OrdersID IN (SELECT OrdersID FROM OrdersItem WHERE UPC = #UPC#)
group by ordersitem.upc order by thecount desc
#upc#, #UPC#, #thecount#;
But surely there is a better, SQL-only way to do it?"" |
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