Question: The rule specifies that each entity instance of the supertype must be a member of some subtype in the relationship. total specialization total convergence semi-specialization

The rule specifies that each entity instance of the supertype must be a member of some subtype in the relationship. total specialization total convergence semi-specialization partial specialization Question 14 In a supertype/subtype hierarchy, each subtype has: many supertypes. at most two supertypes. at least one subtype. only one supertype

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