Keys of Relationship set
Suppose the key of entity set A is attribute A, the key of B is B , the key of C is C, the key of D is D. If we translate relationship set R into a relation R (A,B, C,D), what are the keys of R? a) {A} b) {B,C} AND {C,D} c) {A,C} d) {ABC,ACD}
Suppose the key of entity set A is attribute A, the key of B is B , the key of C is C, the keyof D is D. If we translate relationship set R into a relation R (A,B, C,D), ...
