Specifically C, D and E

1. Write queries for following statements and provide screenshot of the query result. [5x10-50 points [For a, b, d and e, considers the university database from the textbook) Find all courses whose identifier starts with the string "CS-1" Update the salary of each instructor to 10000 times the number of course sections they have taught. Assume you are given two relations, studentiname, rollno) and markstrollno, exam, mark) a. b. c. i. Show names of all students who have got marks in at least two exams. d. Create a view CSinstructors, showing all information about instructors from the Comp. Sci. department. Grant permission to one of your friends to view all data in your student relation. Also make sure that you are granting your friend to pass the permission to others. e