X → Y holds on a schema k(K) if?
Posted: Thu Jul 14, 2022 8:54 am
a) At least one legal instance satisfies the functional dependency
b) No legal instance satisfies the functional dependency
c) Each and every legal instance satisfies the functional dependency
d) None of the mentioned
b) No legal instance satisfies the functional dependency
c) Each and every legal instance satisfies the functional dependency
d) None of the mentioned