Choose the correct statement regarding superkeys
Posted: Thu Jul 14, 2022 8:53 am
a) A superkey is an attribute or a group of multiple attributes that can uniquely identify a tuple
b) A superkey is a tuple or a set of multiple tuples that can uniquely identify an attribute
c) Every superkey is a candidate key
d) A superkey is an attribute or a set of attributes that distinguish the relation from other relations
b) A superkey is a tuple or a set of multiple tuples that can uniquely identify an attribute
c) Every superkey is a candidate key
d) A superkey is an attribute or a set of attributes that distinguish the relation from other relations