entity relationship model of this problem please - diagram thanks for help !! We need to develop a management system for information that supports some of the services involved in an online bookstore (type Amazon.com). The bookstore has customers registered to sell books, it also contains information on the publishers, the publisher has a name, address, phone and URL and publishes several books, but a book can only be published by one publisher and a customer can place the book they want to buy in a cart and can have multiple shopping carts, each cart of purchase belongs to a customer and can contain multiple books, a client has an email, name, phone and address. A book has ISBN, year, title and price, an author has name and direction and can write multiple books. Books can be written by a single author and are stored in many warehouses and a warehouse has many books.
entity relationship model of this problem please - diagram
thanks for help !!
We need to develop a management system for information that supports some of the services involved in an online bookstore (type Amazon.com). The bookstore has customers registered to sell books, it also contains information on the publishers, the publisher has a name, address, phone and URL and publishes several books, but a book can only be published by one publisher and a customer can place the book they want to buy in a cart and can have multiple shopping carts, each cart of purchase belongs to a customer and can contain multiple books, a client has an email, name, phone and address. A book has ISBN, year, title and price, an author has name and direction and can write multiple books. Books can be written by a single author and are stored in many warehouses and a warehouse has many books.
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