Question

REA DIAGRAMMING: Joe’s Ristoranté Joe’s Ristoranté is a small restaurant near a college campus. It serves both lunch and dinner from a standard menu. It also has a salad bar. Staff take orders by writing down the orders on an order pad. The orders are then taken to the kitchen where the food is prepared. When the food is ready, the staff are notified and deliver the food to the customer’s table. When the meal is finished, the staff provide customers with a bill, which has been prepared by hand. All sales must be paid by cash or credit card and entered into the cash register. Joe maintains one checking account for all sales receipts. Required: Create an REA diagram for Joe’s order-taking and cash receipts process, including all relationships. List the tables and attributes, including the primary key needed to implement the data model in a relational database.

Answer 1

An REA diagram for Joe’s Ristoranté would categorize menu items, cash register as resources, order taking, and payment processing as events, and staff and customers as agents. A relational database may include tables for Orders, Menu_Items, Staff, and Payments with appropriate attributes and primary keys.

Step-by-step explanation:

The REA (Resources, Events, Agents) diagramming for Joe’s Ristoranté's order-taking and cash receipts process would involve identifying the resources, events, and agents that play a role in the process. Resources would include the menu items and cash register. Events might encompass order taking, food preparation, meal delivery, bill providing, and payment processing. Agents are the staff members and customers.

In terms of a relational database, tables might consist of Orders, Menu_Items, Staff, and Payments. Attributes would include details such as OrderID (primary key for Orders), ItemID (primary key for Menu_Items), StaffID (primary key for Staff), and PaymentID (primary key for Payments), among other relevant attributes such as order details, payment type, and staff roles.