DANCE 131 ยากกว่า DANCE 695 หรือไม่ ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Is DANCE 131 harder than DANCE 695 ?It is not neccessary to use all the tables.
 ta:  campus_job_id [ int]  student_id [ int]  location [ varchar] 
SELECT COUNT(*) > 0 FROM course AS COURSE_0, course AS COURSE_1, program_course AS PROGRAM_COURSE_0, program_course AS PROGRAM_COURSE_1 WHERE COURSE_0.department = 'DANCE' AND COURSE_0.number = 131 AND COURSE_1.department = 'DANCE' AND COURSE_1.number = 695 AND PROGRAM_COURSE_0.course_id = COURSE_0.course_id AND PROGRAM_COURSE_0.workload < PROGRAM_COURSE_1.workload AND PROGRAM_COURSE_1.course_id = COURSE_1.course_id