ER Diagrams are most often used to design or debug relational databases in the fields of software engineering, business information systems, education and research.

Free ERD modeling tool for creating Entity-Relationship Diagrams and relational/star schemas, aiding in visualizing and designing databases.

Learn Entity Relationship Diagram (ERD). Read this ERD guide for everything you need to know about data modeling and database design with ERD.

Draw ERD with your team members. All states are shared in real time. And it's FREE.

An ERD visualizes the relationships between entities like people, things, or concepts in a database. An ERD will also often visualize the attributes of these entities.

Nov 17, 2025 · 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.

Diagrams created to represent attributes as well as entities and relationships may be called entity-attribute-relationship diagrams, rather than entity–relationship models. An ER model is …

An entity relationship diagram (ER diagram or ERD) is a visual representation of how items in a database relate to each other. ERDs are a specialized type of flowchart that convey the …

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Jul 30, 2019 · An Entity Relationship Diagram (ERD) is a type of diagram that lets you see how different entities (e.g. people, customers, or other objects) relate to each other in an …