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

   www.lucidchart.com › pages › er-diagrams

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   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.

3. www.geeksforgeeks.org › introduction-of-er-modelIntroduction of ER Model - GeeksforGeeks

   www.geeksforgeeks.org › introduction-of-er-model

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   • Video Duration: 13 min

   • Entity, Entity Type, Entity Set – An Entity may be an object with a physical existence – a particular person, car, house, or employee – or it may be an object with a conceptual existence – a company, a job, or a university course.
   • Attribute(s): Attributes are the properties which define the entity type. For example, Roll_No, Name, DOB, Age, Address, Mobile_No are the attributes which defines entity type Student.
   • Relationship Type and Relationship Set: A relationship type represents the association between entity types. For example,‘Enrolled in’ is a relationship type that exists between entity type Student and Course.
   • Degree of a relationship set: The number of different entity sets participating in a relationship set is called as degree of a relationship set. Unary Relationship

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

   www.smartdraw.com › entity-relationship-diagram

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   Entity Relationship Diagram Examples. The best way to understand ER diagrams is to look at some examples of ER diagrams. Click on any of these ER diagrams included in SmartDraw and edit them: Browse SmartDraw's entire collection of ERD examples and templates.

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

   creately.com › guides › er-diagrams-tutorial

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   Mar 23, 2024 · What is an ER diagram? 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.

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

   miro.com › diagramming › how-to-draw-an-er-diagram

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   ER diagrams, also known as entity relationship diagrams, are invaluable tools for visualizing and understanding complex data relationships. In this comprehensive step-by-step guide, we will walk you through the process of drawing an ER diagram, equipping you with the skills to create accurate and meaningful diagrams for your projects.

7. Videos

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     ER Diagram | Entity Relationship Diagram Tutorial | ER Diagram In DBMS | SQL Tutorial | Simplilearn

     May 18, 2021

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     6:10

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     Entity Relationship Diagram (ERD) Tutorial - Part 1

     Oct 27, 2023

     272.7K Views

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     20:26

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     Entity Relationship Diagram (ERD) Tutorial and EXAMPLE

     Dec 20, 2022

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

   miro.com › diagramming › what-is-an-er-diagram

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   What is an ER diagram? 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.

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

   www.visual-paradigm.com › guide › data-modeling

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   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.