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  1. ER Diagram (ERD) - Definition & Overview | Lucidchart

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

  2. ERDPlus

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

  3. What is Entity Relationship Diagram (ERD)? - Visual Paradigm

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

  4. Entity Relationship Diagram (ERD) - What is an ER Diagram?

    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.

  5. dbdiagram.io - Database Relationship Diagrams Design Tool

    Directly generate SQL statements to create your database tables. Export to Images and PDFs. Create beautiful PDFs of your ER diagram to circulate internally. Who says ERDs are so …

  6. How to Draw Entity Relationship Diagrams (ERDs) - GeeksforGeeks

    Sep 8, 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. ERDs are …

  7. What is an entity relationship diagram? - IBM

    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 …

  8. Entity Relationship (ER) Diagram Model with DBMS Example

    Aug 14, 2025 · ER Diagram stands for Entity Relationship Diagram, also known as ERD is a diagram that displays the relationship of entity sets stored in a database. In other words, ER …

  9. UML Vs. ERD: Key Differences Explained with Real-World Examples

    5 days ago · Discover the key differences between UML and ERD diagrams with real-world examples and use cases. Learn how UML models system behavior while ERD focuses on …

  10. A Guide to the Entity Relationship Diagram (ERD) - Database Star

    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 …