Given the functional dependency (A, B) → C, then ________.
A)A and B together → C
B)A → C
C)B → A
D)Both A and B are correct

Question

Quizplus · Accepted Answer

The functional dependency (A, B) → C implies that the combination of attributes A and B uniquely determines the attribute C. Therefore, choice A is the only correct option as it correctly states that A and B together determine C. Choice B is incorrect because it only implies that attribute A alone determines attribute C, which is not accurate. Choice C is also incorrect, as it is the opposite of the given functional dependency.

Given the Functional Dependency (A, B) → C, Then ________