select *
from (select t.*,row_number() over(partition by t.公司名 order by 1) rn
from t
)
where rn<=10oracle 每个类别取几条的语法怎么写
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2022-06-30
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oracle 每个类别取几条的语法怎么写
阅读 41
2022-06-30
select *
from (select t.*,row_number() over(partition by t.公司名 order by 1) rn
from t
)
where rn<=10相关推荐
精彩评论（0）