Question

Derive the Cardinality between the student and the School.
A School has many students. The student belongs to a school
Select one:
a. M:M
b. 1:M
c. 1:1
d. M:1​

Answer 1

d.) M : 1 (Many to One Relationship)

• Many number of students are studying in 1 school.
• entity 1 is N and entity 2 is 1.
• N number of students have a relationship with 1 school.
• So, the cardinality becomes M : 1.
• Another example for many to one relationship is A group of students working together in 1 project.