题解 | #找出sql类题目的单次最大刷题数#
找出sql类题目的单次最大刷题数
https://www.nowcoder.com/practice/7dbc7fef4f3f4ab09a01c210fcb770ce
题有问题,要求别名的字段名不对,所以我们只能把'max(pass_count)' , 加单引号改成字符串,这样才能运行成功。 select max(pass_count) as 'max(pass_count)' from questions_pass_record_detail where question_type='sql' group by question_type
