Every person in the world can have more than one friend,and each person in the world can be a friend to more than one person.Thus,the cardinality that exists between friends and people is
A) one-to-one.
B) one-to-many.
C) many-to-many.
D) none of the above

Question

Quizplus · Accepted Answer

This is because each person can have multiple friends and each friend can have multiple people they consider their friend. Therefore, there is not a one-to-one relationship between friends and people, and it is not one-to-many because one person can have more than one friend. The only option left is many-to-many.

Every Person in the World Can Have More Than One