题解 | #删除记录（二）#
删除记录（二）
https://www.nowcoder.com/practice/964c9f7fffbb4ab18b507cfed4111b4a
delete from exam_record where submit_time is null or timestampdiff(minute,start_time,submit_time)<5 order by start_time limit 3
2023-08-15 10:31 东南大学 Java
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