The main concern with redundant relationships is that they remain _____ across the model.
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Q65: Composite primary keys are particularly useful as
Q66: A(n) _ occurs when a relationship is
Q67: In which two cases are composite primary
Q68: While using a surrogate key, one must
Q69: _ keys work with primary keys to
Q70: Composite keys are useful as identifiers of
Q71: Differentiate between specialization and generalization.
Q73: One practical advantage of a(n) _ key
Q74: Explain the "no change over time" characteristic
Q75: What do specialization hierarchies do?
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