question 3

Problem 3 (18 points): Given the following table defining Relation R: SID Fred Wilma Barney YA 885 ZZT 13 88 896 141 YA 907 CIZ DA 66 118 LBJ NO 22 129 ZZT YA 44 340 CIZ DA 44 How would you characterize the existence of the Functional Dependencies for each relationship listed below (a-e). Explain why in each case. a. SID Fred b. Wilma Barney c. Barney Fred d. Fred SID e. Fred Barney f. Explain why {Fred, Barney} is not a candidate key for the table presented