SQL编程->函数(一)

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 日期和时间函数:

DECLARE @VARDATE DATETIMESET @VARDATE = GETDATE()SELECT @VARDATE  AS GETDATESELECT DATEADD(DAY,15,@VARDATE) AS DATEADDSELECT DAY(@VARDATE)  AS DAYSELECT MONTH(@VARDATE) AS MONTHSELECT YEAR(@VARDATE) AS YEARSELECT DATEDIFF(day,'2014-04-29','2014-5-15') AS DiffDateSELECT GETUTCDATE() AS GETUTCDATE
还有 DATEPART 函数和DATENAME函数。。。


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