Question
Given the following relational database schema: Student = (SSN, Name, Major) Course = ( CourseNumber, PrerequisiteCourseNumber, Course Title, NumberUnits) Section = ( CourseNumber, Quarter, RoomNumber,
Given the following relational database schema:
Student = (SSN, Name, Major)
Course = ( CourseNumber, PrerequisiteCourseNumber, Course Title, NumberUnits)
Section = ( CourseNumber, Quarter, RoomNumber, DayTime), where DayTime is of the form MW 1:0-2:00PM.
Enrollment = (SSN,CourseNumber, Quarter, Grade)// Grade is either Null or a letter grade.
Express the following queries using appropriate SQL statements with a minimum number of operations:
1) List the name, SSN and the number of courses the student has taken (courses with the same CourseNumber taken in different quarters are counted as different courses).
2)Answer #1 assuming courses with the same CourseNumber taken in different quarters are considered as one course.
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