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  1. www.lucidchart.com › pages › er-diagramsER Diagram (ERD) - Definition & Overview | Lucidchart

    What is an Entity Relationship Diagram (ERD)? See ultimate guide to ER diagrams including a video overview, origins, uses, examples, components, limitations, and guidelines on how to draw them for free in Lucidchart.

  2. www.databasestar.com › entity-relationship-diagramA Guide to the Entity Relationship Diagram (ERD) - Database Star

    21 de dic. de 2023 · 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 application or a database. They are created when a new system is being designed so that the development team can understand how to structure the database.

  3. www.visual-paradigm.com › guide › data-modelingWhat is Entity Relationship Diagram (ERD)? - Visual Paradigm

    Entity Relationship Diagram, also known as ERD, ER Diagram or ER model, is a type of structural diagram for use in database design. An ERD contains different symbols and connectors that visualize two important information: The major entities within the system scope, and the inter-relationships among these entities.

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  4. www.smartdraw.com › entity-relationship-diagramEntity Relationship Diagram (ERD) - What is an ER Diagram?

    ERD stands for entity relationship diagram. People also call these types of diagrams ER diagrams and Entity Relationship Models. An ERD visualizes the relationships between entities like people, things, or concepts in a database.

  5. miro.com › diagramming › how-to-draw-an-er-diagramHow to Draw an ER Diagram: A Step-by-Step Guide | Miro

    Establishing relationships between entities is a crucial aspect of an ER diagram. Relationships define how entities are connected or associated with each other. For example, a "Student" entity may be related to a "Course" entity through an "Enrolls In" relationship.

  6. creately.com › guides › er-diagrams-tutorialWhat is an Entity Relationship Diagram (ERD)? | An ...

    23 de mar. de 2024 · An Entity Relationship Diagram (ERD) is a visual representation of different entities within a system and how they relate to each other. It is a tool used to design and model relational databases, and shows the logical structure of the database.

  7. miro.com › diagramming › what-is-an-er-diagramWhat is an Entity Relationship Diagram? | Miro

    An entity relationship diagram (also known as an ER diagram or ERD diagram or simply ERD) shows how entities (people, objects, and concepts) interact. These conceptual data models help developers and designers visualize the relationships between key software elements.