Consider the following required functionality of an online DVD shop: Customers should be able to search for DVDS, once they find a product they like, they can add a DVD to their shopping cart. This requires that they are logged in; therefore, if they do not yet have an account, they should be able to create one and they can check out the shopping cart. A delivery agent can check the status of online orders, and process an order, meaning that it changes its status from "pending" to “delivered".
Consider the following required functionality of an online DVD shop: Customers should be able to search for DVDS, once they find a product they like, they can add a DVD to their shopping cart. This requires that they are logged in; therefore, if they do not yet have an account, they should be able to create one and they can check out the shopping cart. A delivery agent can check the status of online orders, and process an order, meaning that it changes its status from "pending" to “delivered".
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Consider the following required functionality of an online DVD shop:
Customers should be able to search for DVDS, once they find a product they like,
they can add a DVD to their shopping cart. This requires that they are logged in;
therefore, if they do not yet have an account, they should be able to create one and
they can check out the shopping cart.
A delivery agent can check the status of online orders, and process an order,
meaning that it changes its status from "pending" to “delivered".
Finally, the administrator is responsible for the DVD inventory. He/She can check
the current inventory, order new DVDS from the supplier, and add DVDS to the
inventory.
a- Model the use case diagram for the above system.
b- Write the use case narrative of the "Check out Shopping Cart" use case
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