1. Consider the following relations. The primary keys are underlined. All attributes are of type string if not indicated otherwise. ? Student(s_ID, s_name, s_degree: integer, advisorID, d_ID) ? Lecture(l_ID, l_name,l_degree: integer, p_ID, d_ID) ? Register(s_ID,l_ID,score: integer, Semester) ? Professor(p_ID,p_name, d_ID) ? Department(d_ID, d_name, address) a. Find the names of professors who have taught in every semester. b. List the names of lectures that the CISE department offers but that are taught by a professor whose department is not CISE. c. Find the names of students who got the highest score in the lecture ‘Databases’. d. Find the names of students who have registered every lecture of the CISE department. e. Find the names of students who got more than 90 in the ‘DB’ lecture and less than 70 in the ‘Algorithm’ lecture.

Looking for solution of this Assignment?


We deliver quality original papers

Our experts write quality original papers using academic databases.  

Free revisions

We offer our clients multiple free revisions just to ensure you get what you want.

Discounted prices

All our prices are discounted which makes it affordable to you. Use code FIRST15 to get your discount

100% originality

We deliver papers that are written from scratch to deliver 100% originality. Our papers are free from plagiarism and NO similarity

On-time delivery

We will deliver your paper on time even on short notice or  short deadline, overnight essay or even an urgent essay