Question

Which of the following is not a many-to-many relationship? Group of answer choices

Between authors and single-authored books.

Between the products a company stocks and the vendors who supply the products to the company.

Between the products a company stocks and the orders from the company’s customers.

Between college students and sections of college courses.

Answer 1

Option "A" is the correct answer.

1.The reason is that there are many authors but on the other side it is given 'SINGLE-AUTHORED' books .It means each book is owned by only one author.So it is one-to-one relationship.

All the the other options are many to many relationships because:-

2.A company may stock many products and there may be many vendors who supply products to the company.

3.A company may stock many products and the customers may order as many products as they want from the company.

4.There can be many students in the college and similary there can be many sections of the different courses in college.