第一种排序方法:
利用row_number() over(order by createtime desc) as row
参考来源：
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原文链接：https://blog.csdn.net/missingshirely/article/details/44037037
语法如下：
select * from (
select *, ROW_NUMBER() OVER(Order by a.CreateTime DESC ) AS RowNumber from table_name as a
) as b
where RowNumber BETWEEN 1 and 5
- row_number row server number orderrow_number partition number order row_number row server number row_number rank dense_rank row_number函数 column row_number partition column1 dense_rank dense rank row_number row_number number rownum row row_number number mysql row row_number number row row_number postgresql函数amp