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计算给定日期所在月的下月最后一天 sql语句

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Release: 2016-06-07 17:47:22
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计算给定日期所在月的下月最后一天 sql语句

计算给定日期所在月的下月最后一天 sql语句

declare @date  datetime
set @date=getdate()
--当前月第一天加2个月再减去1天
select dateadd(day,-1,dateadd(month,2,dateadd(month,datediff(month,0,@date),0))) as '下月最后一天'
--简化
select dateadd(day,-1,dateadd(month,datediff(month,0,@date)+2,0)) as '下月最后一天'
select dateadd(month,datediff(month,0,@date)+2,0)-1 as '下月最后一天'
--另一种算法
select dateadd(month,datediff(month,-1,@date)+1,-1) '下月最后一天'
--另一种当前月第一天算法
select dateadd(day,-1,dateadd(month,2,dateadd(day,1-datepart(day,@date),@date))) '下月最后一天'
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