Following is an ER diagram for a Hotel Management System. Here entities are represented by large square boxes, with their respective attributes listed inside and the entity name on the top of the box. The relationships between these entities are shown using crow's foot notation. Key entities include Hotel, Rooms, Staff, Service, Customer, Manager, Payment, and Salary. The following diagram shows the interactions between these entities, showcasing how rooms and services are assigned to customers by the hotel. Through this visual representation, the system's architecture and working is shown.
