Write the corresponding DML SQL queries for all questions below.

Question 1: Using aliasing, select the names and grades of students with Grade greater than 3.0. Question 2: For each student compute the average between their grade and their ProfessorEval and sort the result in ascending order. Question 3: Use a subquery in the FROM clause to find those students belonging to the 'Education Department' who have taken course numbered 101. Question 4: Find those courses that were taken by student that do not have any perquisites Question 5: List all the courses that have prerequisites (using EXISTS)