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1. µ±Ç°ÏµÍ³ÈÕÆÚ¡¢Ê±¼ä
select getdate()
2. dateadd ÔÚÏòÖ¸¶¨ÈÕÆÚ¼ÓÉÏÒ»¶Îʱ¼äµÄ»ù´¡ÉÏ£¬·µ»ØÐ嵀 datetime Öµ
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select dateadd(day,2,'2004-10-15') --·µ»Ø£º2004-10-17 00:00:00.000
3. datediff ·µ»Ø¿çÁ½¸öÖ¸¶¨ÈÕÆÚµÄÈÕÆÚºÍʱ¼ä±ß½çÊý¡£
select datediff(day,'2004-09-01','2004-09-18') --·µ»Ø£º17
4. datepart ·µ»Ø´ú±íÖ¸¶¨ÈÕÆÚµÄÖ¸¶¨ÈÕÆÚ²¿·ÖµÄÕûÊý¡£
SELECT DATEPART(month, '2004-10-15') --·µ»Ø 10
5. datename ·µ»Ø´ú±íÖ¸¶¨ÈÕÆÚµÄÖ¸¶¨ÈÕÆÚ²¿·ÖµÄ×Ö·û´®
SELECT datename(weekday, '2004-10-15') --·µ»Ø£ºÐÇÆÚÎå
6. day(), month(),year() --¿ÉÒÔÓëdatepart¶ÔÕÕÒ»ÏÂ
select µ±Ç°ÈÕÆÚ=convert(varchar(10),getdate(),120)
,µ±Ç°Ê±¼ä=convert(varchar(8),getdate(),114)
select datename(dw,'2004-10-15')
select ±¾ÄêµÚ¶àÉÙÖÜ=datename(week,'2004-10-15')
,½ñÌìÊÇÖܼ¸=datename(weekday,'2004-10-15')
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DateDiff (interval,date1,date2) ÒÔinterval Ö¸¶¨µÄ·½Ê½£¬·µ»Ødate2 Óëdate1Á½¸öÈÕÆÚÖ®¼äµÄ²îÖµ date2-date1
DateAdd (interval,number,date) ÒÔintervalÖ¸¶¨µÄ·½Ê½£¬¼ÓÉÏnumberÖ®ºóµÄÈÕÆÚ
DatePart (interval,date) ·µ»ØÈÕÆÚdateÖУ¬intervalÖ¸¶¨²¿·ÖËù¶ÔÓ¦µÄÕûÊýÖµ
DateName (interval,date) ·µ»ØÈÕÆÚdateÖУ¬intervalÖ¸¶¨²¿·ÖËù¶ÔÓ¦µÄ×Ö·û´®Ãû³Æ
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Year Yy yyyy Äê 1753 ~ 9999
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Month Mm m ÔÂ1 ~ 12
Day of year Dy y Ò»ÄêµÄÈÕÊý,Ò»ÄêÖеĵڼ¸ÈÕ 1-366
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Hour Hh h ʱ0 ~ 23
Minute Mi n ·ÖÖÓ0 ~ 59
Second Ss s Ãë 0 ~ 59
Millisecond Ms - ºÁÃë 0 ~ 999
access ºÍ asp ÖÐÓÃdate()ºÍnow()È¡µÃϵͳÈÕÆÚʱ¼ä£»ÆäÖÐDateDiff,DateAdd,DatePartҲͬÊÇÄÜÓÃÓÚAccessºÍaspÖУ¬ÕâЩº¯ÊýµÄÓ÷¨Ò²ÀàËÆ
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1.GetDate() ÓÃÓÚsql server :select GetDate()
2.DateDiff('s','2005-07-20','2005-7-25 22:56:32')·µ»ØÖµÎª 514592 Ãë
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