This Library Management System Database ER Diagram depicts the system entity and the assumed functions in each relationship. The Relational Model for College Library Management System represents the project's proposed database design. It conveys the information that would be present in the college library system, its characteristics, and its relationship to other information (entity). The Entities Relational Model for College Library Management System is depicted in this diagram. It demonstrates how the project's database's back end works. The tables are designed to meet the system's requirements and to provide much more specific information about each entity within the system.