A(n)________ notation signifies that an adviser can be related to many students and that a student can be related to many advisers.
A) 1:N
B) N:M
C) N:1
D) N:N

Question

Quizplus · Accepted Answer

The N:M notation signifies a many-to-many relationship between entities, which fits the scenario where an adviser can advise many students and a student can have many advisers. Option A (1:N) would imply that each student is advised by only one adviser, which is not the case here. Option C (N:1) would imply that each adviser has only one student, which is also not true. Option D (N:N) is just another way of representing the many-to-many relationship using a diamond shape, but it does not offer any additional information beyond what is already represented by the N:M notation.

A(n)________ Notation Signifies That an Adviser Can Be Related to Many