Question

Prime attributes definition​

Answer 1

Answer:

Prime attributes are the attributes of the candidate key which defines the uniqueness

Answer 2

Answer: Attributes that form a candidate key of a relation, i.e. attributes of candidate key, are called prime attributes. And rest of the attributes of the relation are non prime. {rollno} is a candidate key and hence rollno is a prime attribute and name, city, phoneno are non prime attributes