Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Functional-Dependency
Question 51 |
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?
AC→ H | |
C→ H | |
G→ H | |
A→ H |
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