SELECT device_id, gender, age, gpa FROM user_profile WHERE university = '山东大学' UNION ALL SELECT device_id, gender, age, gpa FROM user_profile WHERE gender = 'male';
SELECT device_id, gender, age, gpa FROM user_profile WHERE university = '山东大学' UNION ALL SELECT device_id, gender, age, gpa FROM user_profile WHERE gender = 'male';