หลักสูตร RCIDIV 200 ระดับใดมีมูลค่า 6 หน่วยกิต ไม่จำเป็นต้องใช้ตารางทั้งหมด
Which RCIDIV 200 -level courses are worth 6 credits ?It is not neccessary to use all the tables.
 course_offering:  offering_id [ int]  course_id [ int]  semester [ int]  section_number [ int]  start_time [ time]  end_time [ time]  monday [ varchar]  tuesday [ varchar]  wednesday [ varchar]  thursday [ varchar]  friday [ varchar]  saturday [ varchar]  sunday [ varchar]  has_final_project [ varchar]  has_final_exam [ varchar]  textbook [ varchar]  class_address [ varchar]  allow_audit [ varchar] 
SELECT DISTINCT department, name, number FROM course WHERE credits = 6 AND department = 'RCIDIV' AND number < 200 + 100 AND number >= 200