Location: [Back to the Lecture Notes] Description of Picture of M:M Relationship
In the given picture, A and B each have two instances. The first instance of A is connected to the first instance of B, and the second instance of A is connected to both instances of B (so that the second instance of B is only connected to the second of instance of A, while the first instance of B is connected to both instances of A).
Location: [Back to the Lecture Notes] Description of Picture of M:M Relationship