ERD Entity Relationship Diagram
History and Origins of ERD An Entity Relationship Diagram (ERD) is a visual representation of database structure. It shows relationships between database tables and helps make database design and structure easy to understand. Entity-Relationship modeling was developed for database design by Peter Chen and published in a 1976 paper. While serving as an assistant professor at MIT’s Sloan School of Management, he published a groundbreaking paper titled “The Entity-Relationship Model: Toward a Unified View of Data.” The paper was published in ACM’s Transactions on Database Systems and remains relevant today. ...