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    Question

    Which of the following graphical models represents the

    relationships between entity sets in a database?
    A Programming model Correct Answer Incorrect Answer
    B Bar chart Correct Answer Incorrect Answer
    C E-R diagram Correct Answer Incorrect Answer
    D Flow chart Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ER Diagram  stands for Entity Relationship Diagram, also known as ERD. It is a diagram that displays the relationship of entity sets stored in a database. ER diagrams help to explain the logical structure of databases.

    • The model helps to systematically analyze data requirements to produce a well-designed database.

    • ER diagrams are created based on three basic concepts: entities, attributes and relationships.


    • The purpose of ER Diagram is to represent the entity framework infrastructure.

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