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A shipping company maintains up to date information on processing and location of a shipped item. It relies on an

information system to do this. Items are characterized by item number, weight, dimensions, insurance amount, destination, and final delivery date. Shipped items are received at a retail center. Retail centers are characterized by type, id, and address. They are delivered through one or more standard transportation media.. These can be flights, trucks, etc. They are characterised by schedule number, type and delivery route.

Identify entities, attributes and relationships

Draw ER diagram for the information Map the ER diagram and generate the schema with its data dictionary

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