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http://blog.csdn.net/soarheaven/archive/2006/06/27/839705.aspx 阅读全文
posted @ 2010-01-14 15:59
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Definition and UsageThe DATEDIFF() function returns the time between two dates.SyntaxDATEDIFF(datepart,startdate,enddate) Where startdate and enddate are valid date expressions and datepart can be one... 阅读全文
posted @ 2010-01-14 15:24
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