正确答案 select `university`,avg(`question_cnt`) as 'avg_question_cnt', avg(`answer_cnt`) as 'avg_answer_cnt' from `user_profile` group by `university` having avg(`question_cnt`) < 5 or avg(`answer_cnt`) < 20; 错误答案 select `university`,avg(`question_cnt`) as 'avg_question_cnt', avg(`answer_cnt`) a...
投递牛客等公司10个岗位