Given the following relational database schema:
Student = (SSN, Name, Major)
Course = ( CourseNumber, PrerequisiteCourseNumber, Course Title,NumberUnits)
Section = ( CourseNumber, Quarter, RoomNumber, DayTime), whereDayTime is of the form MW 1:0-2:00PM.
Enrollment = (SSN,CourseNumber, Quarter, Grade)// Grade iseither Null or a letter grade.
Express the following queries using appropriate SQL statementswith a minimum number of operations:
a)List every Course title which is a prerequisite for thelargest number of courses.
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