Examveda
Examveda

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

Answer: Option C

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Related Questions on ER Model and Business Rules

Inheritance is which of the following?

A. When a supertype entity inherits values of the subtype attribute

B. When a subtype entity inherits values of the supertype attribute

C. When a supertype entity inherits values of another supertype attribute

D. When a subtype entity inherits values of another subtype attribute