sqlserver between

 sqlserver between

----如果UpdateTime为''或者为null，就用InsertTime条件查询
select * 
from WxUsers where BID='957' and ParentID='5537821'
and (COALESCE(UpdateTime,InsertTime) between '2016-06-06 17:49:13.755' and '2018-06-07 17:49:13.759' )

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--UpdateTime='2018-06-06 17:49:13.760'
select * from  WxUsers where UserID='5537821'
and ( UpdateTime between '2018-06-06 17:49:13.755'and '2018-06-06 17:49:13.758' )
--结果没有数据

select * from  WxUsers where UserID='5537821'
and ( UpdateTime between '2018-06-06 17:49:13.755'and '2018-06-06 17:49:13.759' )
--结果有数据

select * from  WxUsers where UserID='5537821'
and ( UpdateTime between '2018-06-06 17:49:13.762'and '2018-06-06 17:49:13.765' )
--结果没有数据

select * from  WxUsers where UserID='5537821'
and ( UpdateTime between '2018-06-06 17:49:13.761'and '2018-06-06 17:49:13.765' )
--结果有数据

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