The Universal Product Code UPC is a bar coded number that
The Universal Product Code (UPC) is a bar-coded number that uniquely identifies many products sold in the United States. For example, all copies of this textbook sold in the United States have the same UPC bar code on the back cover. Now consider how the design of the RMO database might change if all items sold by RMO were required by law to carry a permanently attached UPC (for example, on a label sewn into garments). How might the RMO relational database schema change under this requirement?

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