Below are 2 entities which contain the primary keys only. State what kind of relationship exists between these entities. Explain your answer

Recipe

PK Recipe Key

Ingredient

PK IngredientKey

2. A Professor needs a relational database to store grades. She has identified the following three entities. Course, Student and Assignment. What kind of relationship exists between these entities?

3. Create an ERD for the Professor's database. You are not required to add the attributes but each entity must have a primary key. Remember to resolve any many to many relationships.