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常用于融合去重的窗口函数row_number
2022-04-23 06:04:00 【旺财2】
select *,row_number() over (partition by 班级 order by 成绩 desc) as rn
from 班级表
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本文为[旺财2]所创,转载请带上原文链接,感谢
https://blog.csdn.net/wdyliuxingfeiyang/article/details/122231208
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