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Visual Models for Software Requirements by Joy Beatty and Anthony Chen

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Chapter 19. Business Data Diagram

When I shop online, I have noticed that most e-commerce sites allow me to create an account to store information such as my name, address, and email, and to access information about my past orders. On some sites, when I purchase products, I can add multiple products to my shopping cart, but they all have to be shipped to one address together, so if I want to ship to two addresses, I need to complete two purchases. Other online shopping sites actually allow me to split my order across multiple shipping addresses. And almost always, I also have a billing address that is different than the shipping address. Also, I’ve noticed that some sites allow me to enter only one form of payment, whereas others allow me to split ...

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