A subgrouping of the entities in an entity type that shares common attributes or relationships is called a(n)________.
Correct Answer:
Verified
Q37: The figure below,is an example of a(n):
Q38: In packaged data models,all subtype/supertype relationships follow
Q39: Which of the following is NOT true
Q44: The _ specifies that each entity instance
Q46: A _ is a constraint that addresses
Q54: A completeness constraint may specify that each
Q66: Subtypes at the lowest level of a
Q69: In a supertype/subtype hierarchy, attributes are assigned
Q71: Packaged data models are meant to be
Q84: Data models of an existing database are
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