AERO 410 สอนโดย Prof. Rudolph Ware หรือ Prof. Ryan Baxter เสมอหรือไม่ ไม่จำเป็นต้องใช้ตารางทั้งหมด
Is AERO 410 always taught by either Prof. Rudolph Ware or Prof. Ryan Baxter ?It is not neccessary to use all the tables.
 comment_instructor:  instructor_id [ int]  student_id [ int]  score [ int]  comment_text [ varchar] 
SELECT COUNT(*) = 0 FROM course, course_offering, instructor, offering_instructor WHERE (NOT instructor.name LIKE '%Rudolph Ware%' AND NOT instructor.name LIKE '%Ryan Baxter%') AND course.course_id = course_offering.course_id AND course.department = 'AERO' AND course.number = 410 AND offering_instructor.instructor_id = instructor.instructor_id AND offering_instructor.offering_id = course_offering.offering_id