Relational-Algebra
August 29, 2024Database-Management-System
August 29, 2024Functional-Dependency
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Question 19
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Functional dependencies are a generalization of
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Key dependencies
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Relation dependencies
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Database dependencies
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None of these
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Question 19 Explanation:
A functional dependency is a generalization of the notion of a key. It requires the value for a certain set of attributes determines uniquely the value for another set of attributes.
Correct Answer: A
Question 19 Explanation:
A functional dependency is a generalization of the notion of a key. It requires the value for a certain set of attributes determines uniquely the value for another set of attributes.