Eye ys are f,e, ab.c ad bd ed ie. 4 fd .7 what is key of r ? let r {a, b, c, d, e, f} be a relation cfea ec d a-8 (a) cd (b) ec (c) ae (d)ac s. (b) (cd) = {c, d

eye ys are F,E, AB.C AD BD ED ie. 4 FD .7 What is key of R ? Let R {A, B, C, D, E, F} be a relation CFEA EC D A-8 (A) CD (B) EC (C) AE (D)AC s. (B) (CD) = {C, D, F} (EC) {E, C, A, D, B, F} e com So, EC is the key Option (B) oncy there is a related and important concept of nomalization