Choose the correct statement regarding superkeys
(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
(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
Correct option is (a) A superkey is an attribute or a group of multiple attributes that can uniquely identify a tuple
The explanation: A superkey is an attribute or a set of multiple attributes that can uniquely identify a tuple. It is used to differentiate between tuples.