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SQLSERVER取当前月第一天和最后一天

--本月第一天: selectdateadd(dd,-day(getdate())+1,getdate()) --本月最后一天: SELECTdateadd(ms,-3,DATEADD(mm,DATEDIFF(m,0,getdate())+1,0)) --上个月第一天: select CONVERT(int, CONVERT(varchar(10),DATEADD(m,-1 ,dateadd(dd,-day(getdate())+1,g

--本月第一天:

select dateadd(dd,-day(getdate())+1,getdate())

--本月最后一天:

SELECT dateadd(ms,-3,DATEADD(mm, DATEDIFF(m,0,getdate())+1, 0))

--上个月第一天:

select CONVERT(int, CONVERT(varchar(10),DATEADD(m,-1 ,dateadd(dd,-day(getdate())+1,getdate())) ,112))

--上个月最后一天:

SELECT CONVERT(int,convert(varchar(10),dateadd(d,-1,dateadd(m,-1,DATEADD(mm, DATEDIFF(m,0,getdate())+1, 0))),112))

附录: http://HdhCmsTestw3school测试数据.cn/sql/sql_dates.asp

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