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Product must paid?

Question asked by HelderSantos_1 on May 14, 2012
Latest reply on May 14, 2012 by philmodjunk


Product must paid?


Hello, I have 3 tables, Customer----< invoice----< Item_pay >----Product


Customer::Customer_PK ----< Invoice::Customer_FK

Invoice::Inv_PK ----< Item_pay::invoice_FK

Product::Prod_PK ----< Item_pay::Product_FK

Customers can purchase several times on different bills.

I can know the number of bills he paid during the year.  I want to know for each Client what products he buy more.

How can i do this? Please any help is welcome!