If upc is a duplicate, specify which row to keep based on another attribute.
Ex: If upc is duplicate, keep the row that is NOT brand x. But if the upc is not a duplicate keep whatever product shows.
Upc Product
123 Yellow boa...
Ex: If upc is duplicate, keep the row that is NOT brand x. But if the upc is not a duplicate keep whatever product shows.
Upc Product
123 Yellow boa...