The University Management System ER diagram represents the University Management system model. As we can see from the given diagram, the Entity-Relationship is determined. The given diagram helps to visualize the relationship between colleges, students, registrations, and more. The given University Management System ER diagram also plays an important role in defining the relationship and functionalities of a University in a structured manner. As we can see from the given University Management System ER diagram, the main components include College, Registration, Facilities, Students, and courses. Every entity has some unique keys. However, different entities are bound to each other with some foreign keys.