Complete practice question #6 at the end of chapter 4. An instructor has decided that he needs a relational database to store grades. He has defined...

Complete practice question #6 at the end of chapter 4.

An instructor has decided that he needs a relational database to store grades. He has defined the following three entities: Student, Course, and Assignment. What kind of relationship (one-to-one, one-to-many, many-to-many) exists between these entities?