The following is an ER diagram for a Library Management System. Here entities are represented by square boxes, with their attributes listed inside oval shapes. Relationships between these entities is shown using diamond shapes. The ER diagram shows the key entities involved in the library ecosystem which include: authors, publishers, books, library members, and librarians. Authors write books that are published by publishers. Registered members can rent or borrow books managed by librarians. Through this visual representation, the interconnections between entities within the library management system is shown.
