Q. Choose the correct statement regarding superkeys (Solved)
1. A superkey is an attribute or a group of multiple attributes that can uniquely identify a tuple
2. A superkey is a tuple or a set of multiple tuples that can uniquely identify an attribute
3. Every superkey is a candidate key
4. 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