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select CONVERT(varchar, getdate(), 120 )2004-09-12 11:06:08
select replace(replace(replace(CONVERT(varchar, getdate(), 120 ),'-',''),' ',''),':','')20040912110608
select CONVERT(varchar(12) , getdate(), 111 )2004/09/12
select CONVERT(varchar(12) , getdate(), 112 )20040912
select CONVERT(varchar(12) , getdate(), 102 )2004.09.12
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select CONVERT(varchar(12) , getdate(), 101 )09/12/2004
select CONVERT(varchar(12) , getdate(), 103 )12/09/2004
select CONVERT(varchar(12) , getdate(), 104 )12.09.2004
select CONVERT(varchar(12) , getdate(), 105 )12-09-2004
select CONVERT(varchar(12) , getdate(), 106 )12 09 2004
select CONVERT(varchar(12) , getdate(), 107 )09 12, 2004
select CONVERT(varchar(12) , getdate(), 108 )11:06:08
select CONVERT(varchar(12) , getdate(), 109 )09 12 2004 1
select CONVERT(varchar(12) , getdate(), 110 )09-12-2004
select CONVERT(varchar(12) , getdate(), 113 )12 09 2004 1
select CONVERT(varchar(12) , getdate(), 114 )11:06:08.177
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)
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