Er diagram: An Entity Relationship Diagram (ERD)

An Entity Relationship Diagram (ERD) is a graphical representation that shows how entities, such as people, objects, or concepts, relate to each other within a system. ERDs are commonly used in database design to visualize the relationships between entities and their attributes. Represent the logical structure of databases. Use symbols (rectangles, diamonds, ovals, lines) to show entities and relationships. Used in designing and debugging relational databases. Need to Draw ER Diagram ER ... Create ER diagrams , aka entity relationship diagrams, and other database schema diagrams online using our ERD diagram tool. Create ER diagrams , aka entity relationship diagrams , and other database schema diagrams online using our ERD diagram tool. ER-Diagram is a pictorial representation of data that describes how data is communicated and related to each other. Any object, such as entities, attributes of an entity, sets of relationship and other attributes of relationship can be characterized with the help of the ER diagram .