... {(a,2 ,3, 4,5), (2,a ,3, 5,5)}(c) {(a,2 ,3, 4,5), (2,a ,3, 5,5), (a,2 ,3, 4,6)}(d) {(a,2 ,3, 4,5), (2,a ,3, 4,5), (a,2 ,3, 6,5)}(e) {(a,2 ,3, 4,5), (2,a ,3, 7,5), (a,2 ,3, 4,6)}(f) {(a,2 ,3, 4,5), (2,a ,3, 4,5), (a,2 ,3, 6,5), ... theory and its use in database design include [3, 38 , 436 , 4 43, 656]. Good survey articles on the topic include [6 63, 35 5].FDs were introduced in [156], along with the concept of 3NF, and axioms for ... threeattributes ABC: (1,2 ,3) , (4,2 ,3) , (5 ,3, 3), (5 ,3, 4). Which of the following functional (→)andmultivalued (→→) dependencies can you infer does not hold over relation S?1. A → B2. A →→ B 3. BC → A4....