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常见 SQL 语法
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- Pony Ma
常见的SQL
ROW_NUMBER()
他会将查询出来的每一列数据都加上一个编号,从1开始累加,依次排序
select ROW_NUMBER() OVER (ORDER BY name)
from TABLE;
也可以进行分组排序,每一个会有自己的计数编号,都从1开始
select ROW_NUMBER() OVER (PARTITION BY name ORDER BY name)
from TABLE;