In the Company Staff ER Diagram, Admin, User, Staff, and Parcel are the major entities. Admin can have relationships, like name, email, status, contact, and id. Similarly, the Staff has relationships, like id, name branches (id, branch_code, address, zip_code, contact), branch_id, and address. As shown in the company staff ER Diagram below, ER Diagram is a visual representation of data that describes how data is related using different ERD Symbols and Notations. It should be noted here that there are a couple of main components and symbols in the ER diagrams are Rectangles and Ellipses. As represented in the company staff diagram, ER diagrams also are often used in conjunction with data flow diagrams (DFDs), which map out the flow of information for processes or systems.
