SELECT device_id, gender, age, university, gpa FROM user_profile WHERE (university='复旦大学' AND gpa>3.8) OR (university='山东大学' AND gpa>3.5); 补充:为了清晰显示,用了括号把(xxx AND yyy) OR (zzz AND aaa)区分开了 SELECT device_id, gender, age, university, gpa FROM user_profile WHERE university='复旦大学' AND gpa>3.8 U...