[[insert]] 本题主要考察insert into tablename (column)values(value)的语法 解题关键: 是1002考生10分钟后退出,并没有提交,所以submit_time = None 参考答案: insert into exam_record (uid,exam_id,start_time,submit_time,score) values (1001,9001,'2021-09-01 22:11:12','2021-09-01 23:01:12',90), (1002,9002,'2021-09-04 07...