This School Management System ER Diagram example depicts the relationship between elements such as student information and department information, as well as how they are related. The ERD example demonstrates the relationship between a student, a department, and information about the department head, courses, and more. These types of ERD are also useful in other fields. Administrators can use these ERDs to keep track of their employees, students, or clients. ER diagrams are classified into several types based on their application.
