sql server比较时间大小DATEDIFF

DATEDIFF(day,#{rebaTimeStart},a.CreateTime)>=0 AND DATEDIFF(day,a.CreateTime,#{rebaTimeEnd} )>=0im

day:以天比较tar

DATEDIFF(day,#{TimeStart},a.CreateTime)=1:

以天比较,

等于1:为CreateTime大于TimeStart

等于0:CreateTime等于TimeStart

等于-1:CreateTime小于TimeStart

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