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Question

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?

a.

Disjoint with total specialization

b.

Disjoint with partial specialization

c.

Overlap with total specialization

d.

Overlap with partial specialization

Posted under DBMS

Answer: (c).Overlap with total specialization

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Q. 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?
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