Concepcutaul Modeling
Construct an ER diagram for an onlinebookstore with multiple warehouses selling books. The usualsemantics for authors who have authored the books,customers byingthe books,and shopping carts holding the orders of the customers.Note that a cart may have several books but is associated with asingle customer. Include only the necessary attributes to supportpurchase transactions (price of a book and number of copiespurchased, and warehouse(s) to be delivered from) and theappropriate keys for the entities and relationships.Provide a relational schema and identify all thekeys.
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