select q.device_id, q.question_id, q.result from question_practice_detail q left join user_profile u on q.device_id = u.device_id where university = '浙江大学' order by question_id
select q.device_id, q.question_id, q.result from question_practice_detail q left join user_profile u on q.device_id = u.device_id where university = '浙江大学' order by question_id