Following is an ER diagram for a restaurant management system. The various entities and attributes involved in the operation of the restaurant’s management system are described with the aid of the ER diagram below. The restaurant is used to illustrate restaurant operations from different angles, Employees such as chefs, staff, and servers and orders. The chefs are involved in the preparation of food while the personnel in charge of a restaurant, bar, or any other food-selling business are involved in the overall running of the business, and waiters are responsible for receiving the orders and dealing with the customers.
