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'