Database Systems- Assignment 1 Due Date: Sunday. 29/4/2018. 11:00PM Student Names 1. Student IDs: 1. 2. Section: (Total Marks From 5) Given the following Relations, use Relational Algebra Query Language to apply the following queries: Professor SsnProfName Salary Nationality Teaches: ProfSsn CourseCode Semester Course: CourseName Code CriditHours Q1:Display a list of "Saudi" professors data who got salary more than 10.000SR. Q2:Display a list of professor names and nationality who got salary more than 20.000SR. Q3:Display a list of professor names and code of courses he taught in "Summer" semester Q4: Display a list of professor who taught the course "CS330" but Never taught the course"IS220" Q5: Display a list of professor who taught the courses that professor "Abdullah" taught