Computer Science · DBMS
Given the relational schema R(A, B, C, D) and functional dependencies A → B and BC → D, which of the following functional dependencies CANNOT be derived?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both (A) and (C)
- 2AC → B
- 3B → D✓
- 4AC → D
Correct answer
B → D
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