Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Functional-Dependency
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Question 51
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Given a relation schema R(ABCDEFGH) in first normal form. For the set of dependencies
F={ A→ B, A→ C, CG→ H, B→ H, G→ F}, which dependency is logically implied?
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AC→ H
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C→ H
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G→ H
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A→ H
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Question 51 Explanation:
From the dependencies A→ B and B→ H, we can imply A→ H by using transitive dependency
Correct Answer: D
Question 51 Explanation:
From the dependencies A→ B and B→ H, we can imply A→ H by using transitive dependency