题解 | #删除记录(二)#
删除记录(二)
http://www.nowcoder.com/practice/964c9f7fffbb4ab18b507cfed4111b4a
题目包含两个条件,可以直接筛选排序并取前三
DELETE FROM exam_record
WHERE score is null or TIMESTAMPDIFF(MINUTE,start_time,submit_time)<5
order by start_time
limit 3
删除记录(二)
http://www.nowcoder.com/practice/964c9f7fffbb4ab18b507cfed4111b4a
题目包含两个条件,可以直接筛选排序并取前三
DELETE FROM exam_record
WHERE score is null or TIMESTAMPDIFF(MINUTE,start_time,submit_time)<5
order by start_time
limit 3
相关推荐
owwhy:难,技术栈在嵌入式这块显得非常浅,并且简历有大问题。教育经历浓缩成两行就行了,写什么主修课程,说的不好听这块没人在意,自我评价删了,项目写详细点,最终简历缩成一页。相关技能怎么说呢,有点差了,还写成这么多行