ERD for Library Management System. Now you have to do its Mapping to Relational Schema or if there is any mistake in this ERD diagram correct it first You can do the Mapping on Page or on Draw.io or on ERDplus. D Roled 15 Password Username Login phone Name has stuff_id Has have Student_id Name control Permission Member User stuff email Department Name manage lo manage Member phone Name is email Student Return date request email Issue id request phone borrow manage V issuedate for name book book id have issuenumber New Attribute Authorld Name Author Phone