select b.device_id,a.question_id,a.result from question_practice_detail as a,user_profile as b where a.device_id=b.device_id and b.university='浙江大学'
select b.device_id,a.question_id,a.result from question_practice_detail as a,user_profile as b where a.device_id=b.device_id and b.university='浙江大学'