Question: Write the Relational Algebra (RA), Tuple Relational Calculus (TRC), and Domain Relational Calculus (DRC) whichever is labelled against the question. Note that some of these

Write the Relational Algebra (RA), Tuple Relational Calculus (TRC), and Domain Relational Calculus (DRC) whichever is labelled against the question. Note that some of these queries might not be expressible in Relational Algebra, QBE, or Relational Calculus.

Students(snum, sname, major, standing, age, gpa)

Faculty(fid, fname, deptid)

Courses(cnum, cname, course_level, credits)

Offerings(onum, cnum, day, starttime, endtime, room, max_occupancy, fid)

Enrolled(snum, onum) PLEASE ANSWER THE FOLLOWING QUESTIONS :

3. (RA, TRC,DRC,QBE) Find the courses taught by faculty from more than two

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