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Discussion :: Database System 2 - CS

  1. When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following?

    2. A.

     Disjoint with total specialization
    B.

     Disjoint with partial specialization
    C.

     Overlap with total specialization
    D.

     Overlap with partial specialization

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    Answer : Option C

    Explanation :

    Explanation Not Provided

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