The relationships depicted within the ____ are sometimes described in terms of "is-a" relationships.
A) subtype discriminator
B) inheritance
C) specialization hierarchy
D) entity supertype
Correct Answer:
Verified
Q21: _ is the bottom-up process of identifying
Q22: Partial completeness is symbolized by _.
A) a
Q22: One important inheritance characteristic is that all
Q25: A specialization hierarchy can have _ level(s)
Q25: An entity cluster is formed by combining
Q28: The default comparison condition for the subtype
Q35: The property of _ enables an entity
Q45: A _ key is a real-world, generally
Q53: A _ occurs when you have one
Q57: keys work with primary keys to properly
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