sql随机时间

declare @endtime datetime
declare @starttime datetime
set @starttime='2017-09-01'
set @endtime = '2017-11-24'
declare @ctime  datetime
select  @ctime= dateadd(SECOND,convert(int,(rand()*datediff(SECOND,@starttime,@endtime))),@starttime)
Select CONVERT(varchar(100),@ctime, 25)
print @ctime