题解 | #考试分数(四)#
考试分数(四)
https://www.nowcoder.com/practice/502fb6e2b1ad4e56aa2e0dd90c6edf3c
select job,round(count(*)/2) start,round((count(*)+1)/2) end from grade group by job order by job
这个最简洁
考试分数(四)
https://www.nowcoder.com/practice/502fb6e2b1ad4e56aa2e0dd90c6edf3c
select job,round(count(*)/2) start,round((count(*)+1)/2) end from grade group by job order by job
这个最简洁
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