Re: need advice about sql for data mining

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#149

From: Isaac
Date: Mon, 09 Jun 2008 23:36

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Notes:
it did not have to be this way, if I can get only the items that have 
transactions (purchases and sales) ordered by date will be faster but I 
have to test for each row if this is a purchase or a sale so I can do 
the math correclty, however I dont know how it can be done, any ideas 
will be appreciated I only need pseudo code and the general idea

Thanks

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