Please answer all questions Thank you Multiple Attempts Not

Multiple Attempts Not allowed. Force Completion This test car bu A Moving to another question will sav his esponse Question 1 name location Departments cost cost name name Projects M N Parts Contracts Convert the above ER diagram to relations in the normal manner, and then identify which of the following is not a relation schema. O a. Proyects name, cost) O b Departments (name, location) Od Parts name, cost)

Solution

1. C, Contracts(name) is not an entity it\'s a relation that is it is not a relational schema.
2. The set(empID, since) is the super key which uniquely defines Relational database management system.
3. Table , Rows and Column.

9. Professors(ID, name, semester)

8. b, (0, 3, 6) is a tuple of R. because they are attributes.

6. a Teaches(ID, ID, semester)

7. a option is correct,