Which of the following is true about the functional dependency A → (X,Y)?
A)X is functionally dependent on A.
B)A determines Y.
C)A is a determinant.
D)X and Y are functionally dependent on A.
E)All of the above.

Question

Quizplus · Accepted Answer

A functional dependency A → (X,Y) means that the value of (X,Y) is uniquely determined by the value of A. Therefore, all of the following statements are true:- X is functionally dependent on A.- A determines Y.- A is a determinant.- X and Y are functionally dependent on A.

Which of the Following Is True About the Functional Dependency