sqlserver日期操作

declare @aa datetime
declare @bb datetime

SET @aa=GETDATE()
print @aa

set @bb=CONVERT(datetime,‘2017 04 29 15:00:00‘)
print @bb

print datediff(day, @aa,@bb)
print datediff(hour, @aa,@bb)
print datediff(minute , @aa,@bb)
print datediff(second , @aa,@bb)

==============输出内容====================

04 29 2017 2:58PM
04 29 2017 3:00PM
0
1
2
71

sqlserver日期操作

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