Some designs use redundant relationships as a way to simplify the design.
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Q7: An entity supertype can have disjoint or
Q16: Within a specialization hierarchy, a supertype can
Q21: Which of the following is a specialization
Q22: One important inheritance characteristic is that all
Q24: Within a specialization hierarchy, every subtype can
Q26: Nonoverlapping subtypes are subtypes that contain a(n)
Q27: is a generic entity type that is
Q29: A(n) _ is the attribute in the
Q37: Which of the following is a specialization
Q38: The _ depicts the arrangement of higher-level
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