Examine the types and examples of relationship that follows: (Choose the best answer.)
1One-to-one a) teacher to Student
2One-to-many b) Employees to Manager
3Many-to-one c) Person to SSN
4Many-to-many d) Customers to Products
Which option indicates correctly matched relationships?
A. 1-d, 2-b, 3-a, and 4-c
B. 1-c, 2-d, 3-a, and4-b
C. 1-a, 2-b, 3-c, and 4-d
D. 1-c, 2-a, 3-b, and 4-d
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D is true
Hello,
Why C? it suppose to be D, please explain more?
Thanks.
D obviously
it is D as
1.One-to-one : c) Person to SSN : one person will have only 1 SSN number.
2.One-to-many : a) teacher to Student : One teacher will have multiple students to teach
3.Many-to-one : b) Employees to Manager : multiple employees will report to one manager
4.Many-to-many d) Customers to Products : multiple customer will use multiple products
Its not at all C its for sure option D
Its D 100 %
Why C ?