: Course (cid:string, cname:string, dept: string) Student (sid:integer, sname:string, gpa: string, dept: string) Enroll (sid:integer, cid:string, grade: string) The meaning of these relations is straightforward and the keys are underlined. Write the following queries in SQL. Find the number of students not enrolled in any class. A. Find the number of students not enrolled in any class.
B. Find name of students in ‘Math’ department who took all the courses offered by ‘Computer Science’ department..