The ________ rule specifies that an entity instance of a supertype is allowed not to belong to any subtype.
A) semi-specialization
B) total specialization
C) partial specialization
D) disjointedness
Correct Answer:
Verified
Q2: The process of defining one or more
Q5: Given the following entities, which of the
Q7: In the figure below, to which of
Q8: A(n) _ constraint is a type of
Q11: The process of defining a more general
Q12: An attribute of the supertype that determines
Q13: In the figure below, which of the
Q15: The _ rule specifies that each entity
Q18: The _ rule specifies that an entity
Q19: Subtypes should be used when:
A) there are
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