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c# 获取sql数据库中的时间并与当前日期计算差值怎么写？

2025-03-15 15:41:25

推荐回答（2个）

回答1：

假定那个字段是mydate，数据库为sql server

select datediff(day,mydate,getdate()) from tablename
这个sql的结果取出来就是你要的天数了。

回答2：

datediff(dd,'20070101',getdate（）)

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