Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
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Question 382
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A ____ of a relation is a set of one or more attributes whose values are guaranteed to identify tuples in the relation uniquely.
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Foreign key
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Super key
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Scheme
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key
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Question 382 Explanation:
Superkey is the superset of the candidate keys or keys having one or more attributes whose values are guaranteed to identify tuples in the relation uniquely.
Correct Answer: B
Question 382 Explanation:
Superkey is the superset of the candidate keys or keys having one or more attributes whose values are guaranteed to identify tuples in the relation uniquely.