0. Names of students who have had Katz as an instructor in some course.
1. List of student names and the names of their advisors.
2. Student id and name, for students who do not have advisors
3. Names of instructors who do not advise any students
4. Faculty pairs such that both members of each pair have the same salary
5. Find the largest salary in the university
6. Names of all students who have taken at least one course offered by the computer science department
7. Names of students who have repeated some course
8. List ids of students who have taken all computer science courses
9. Names of students who have never taken a course taught by Brandt.
10. Names of students who have taken two or more computer science courses.