Question: An instructor has decided that he needs a relational database to store grades in. He has defined the following three entities: STUDENT, COURSE, and ASSIGNMENT.

An instructor has decided that he needs a relational database to store grades in. He has defined the following three entities: STUDENT, COURSE, and ASSIGNMENT. What kind of relationship exists between these entities?

Create an entity relation diagram (ERD) for the instructor’s data-base. Don’t worry about the attributes, but give each entity a primary key attribute. Remember to watch out for many-to-many relationships.

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