mssql日期函数[数据库中查询整数天或者整数月]
mssql日期函数[中查询整数天或者整数月]
select //查询整月的
*
from
tb
where
datediff(hh,时间字段,getdate())=0
select dateadd(mm,2,getdate())
select dateadd(day,2,getdate())
//查询日与小时datediff(dd,time,getdate()) --日
datediff(hh,time,getdate()) --小时
//查询当前的
select * from #tb where dateadd(mm,2,datacol)=getdate()
//查询现在的所有数据
select
*
from
tb
where
datediff(hh,时间字段,getdate())=0 --时
and datediff(mi,时间字段,getdate())=0--秒
//用
declare @num int
set @num=2
if dateadd(d,@num,'2010-01-05 1:00')=getdate() or dateadd (m,2,'2010-01-05 1:00')=getdate()
print '是'
else
print '不是'
//检测当前的时间是否比保存的时间正好过了整数天或者整数个月

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