Question

    In E-R model Double Eclipse shape is used to

    depict?
    A Strong Entity set Correct Answer Incorrect Answer
    B Attributes Correct Answer Incorrect Answer
    C Multivalued Attributes Correct Answer Incorrect Answer
    D Link Correct Answer Incorrect Answer

    Solution

    Rectangle: Represents Entity sets. Ellipses: Attributes Diamonds: Relationship Set Lines: They link attributes to Entity Sets and Entity sets to Relationship Set Double Ellipses: Multivalued Attributes Dashed Ellipses: Derived Attributes Double Rectangles: Weak Entity Sets Double Lines: Total participation of an entity in a relationship set

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