Examine the types and examples of relationships that follow:
1. One-to-one a) Teacher to students
2. One-to-many b) Employees to Manager
3. Many-to-one c) Person to SSN
4. Many-to-many d) Customers to products
Which option indicates the correctly matched relationships?
A.
1-a, 2-b, 3-c, and 4-d
B.
1-c, 2-d, 3-a, and 4-b
C.
1-c, 2-a, 3-b, and 4-d
D.
1-d, 2-b, 3-a, and 4-c
C is correct.
1) One – to – one : which is Person to SSN
2) One – to many : which is Teacher to Student
3) Many – to – One : Which is Employees to Manager
4) Many to Many : Which is Customers to Products
So Answer is 1-c,2-a,3-b and 4-d