select u.device_id, u.university, sum(if(result is not null, 1, 0) ) question_cnt, sum(if(result ='right', 1, 0) ) right_question_cnt from user_profile u left join question_practice_detail q on u.device_id = q.device_id where u.university = '复旦大学' and q.date like '%08-%' group by u.device_id