Question: Which of the following best describes a many-to-many relationship?

Options:

1. One entity can relate to many instances of another entity
2. One entity can relate to only one instance of another entity
3. Many instances of one entity can relate to many instances of another entity
4. No relationship exists between the entities

Correct Answer: Many instances of one entity can relate to many instances of another entity

Solution:

A many-to-many relationship allows many instances of one entity to relate to many instances of another entity.