What is a functional dependency?
a. A functional dependency (A->B) occurs when the attribute A uniquely determines B
b. A functional dependency (A->B) occurs when the attribute B uniquely determines A
Answer: A
What is a functional dependency?
a. A functional dependency (A->B) occurs when the attribute A uniquely determines B
b. A functional dependency (A->B) occurs when the attribute B uniquely determines A
Answer: A