accessÓëSqlServer ֮ʱ¼äÓëÈÕÆÚ¼°ÆäËüSQLÓï¾ä±È½Ï
1¡¢Datediff£º
1.1Ëã³öÈÕÆÚ²î£º
1.access: datediff('d',fixdate,getdate())
2.sqlserver: datediff(day,fixdate,getdate())
ACCESSʵÀý£º select * from table where data=datediff('d',fixdate,getdate())
sqlserverʵÀý£º select * from table where data=datediff(day,fixdate,getdate())
1.2Ëã³öʱ¼ä²î£º
1.access: datediff('h',fixdate,getdate())
2.sqlserver: datediff(Hour,'2004-12-10',getdate())
ACCESSʵÀý£º select DATEDIFF('h',HMD,getdate())
sqlserverʵÀý£º select datediff(Hour,'2004-12-10',getdate())
1.3Ëã³öÔ·ݲ
1.access: datediff('m',fixdate,getdate())
2.sqlserver: datediff(Month,'2004-12-10',getdate())
ACCESSʵÀý£º select DATEDIFF('m',HMD,getdate())
sqlserverʵÀý£º select datediff(Month,'2004-12-10',getdate())
----------------------------------------------------------------------------
2¡¢ÈÕÆÚ±äÁ¿
1.access: #"&data&"#
2.sqlserver: '"&data&"'
ACCESSʵÀý£º select * from table where data=#"&data&"#
sqlserverʵÀý£º select * from table where data='"&data&"'
----------------------------------------------------------------------------
3¡¢ÊÇ·ñ
1.access: not finished
2.sqlserver: finished=0
ACCESSʵÀý£º select * from table where not finished
sqlserverʵÀý£º select * from table where finished=0
----------------------------------------------------------------------------
4¡¢ÇóÓàÊý
1.access: a mod b£½100
2.sqlserver: a % b £½100
ACCESSʵÀý£º select a mod b£½100 from table where not finished
sqlserverʵÀý£º select a % b £½100 from table where finished=0
-----------------------------------
Ïà¹ØÎĵµ£º
SQL Server 2000/2005 ÄêÔÂÈÕ¼ÆËã·½·¨
ͨ³££¬ÄãÐèÒª»ñµÃµ±Ç°ÈÕÆÚºÍ¼ÆËãһЩÆäËûµÄÈÕÆÚ£¬ÀýÈ磬ÄãµÄ³ÌÐò¿ÉÄÜÐèÒªÅжÏÒ»¸öÔµĵÚÒ»Ìì»òÕß×îºóÒ»Ìì¡£ÄãÃÇ´ó²¿
·ÖÈË´ó¸Å¶¼ÖªµÀÔõÑù°ÑÈÕÆÚ½øÐзָÄê¡¢Ô¡¢Èյȣ©£¬È»ºó½ö½öÓ÷ָî³öÀ´µÄÄê¡¢Ô¡¢ÈյȷÅÔÚ¼¸¸öº¯ÊýÖмÆËã³ö×Ô¼ºËùÐèÒªµÄÈÕÆÚ£¡ÔÚÕâÆªÎÄÕÂÀÎÒ½«¸æËßÄã
ÈçºÎÊ¹Ó ......
£¨1£©Ñ¡Ôñ×îÓÐЧÂʵıíÃû˳Ðò£¨Ö»ÔÚ»ùÓÚ¹æÔòµÄÓÅ»¯Æ÷ÖÐÓÐЧ£©
oracleµÄ½âÎöÆ÷°´ÕÕ´ÓÓÒÖÁ×óµÄ˳Ðò´¦Àífrom×Ó¾äÖеıíÃû£¬from×Ó¾äÖÐдÔÚ×îºóµÄ±í£¨»ù´¡±í£©½«×îÏȱ»´¦Àí£¬ÔÚfrom×Ó¾äÖаüº¬¶à¸ö±íµÄÇé¿öÏÂ,Äã±ØÐëÑ¡Ôñ¼Ç¼ÌõÊý×îÉٵıí×÷Ϊ»ù´¡±í¡£Èç¹ûÓÐ3¸öÒÔÉϵıíÁ¬½Ó²éѯ, ÄǾÍÐèҪѡÔñ½»²æ±í(intersection table)×÷Ϊ»ù´ ......
ÐÐÁÐתÖõÄSQLÓï¾ä
ÁíÒ»ÖÖÐÐÁÐתÖà -- ¶¯Ì¬ sql ½»²æ±í
===========================================================
×÷Õß: wxy0327(http://wxy0327.itpub.net)
·¢±íÓÚ: 2006.05.10 09:11
·ÖÀà:
Oracle
³ö´¦: http://wxy0327.itpub.net/post/16888/88075
-------------------------- ......
Èç¹ûÔÀ´µÄÊý¾Ý¿â¿ÉÓ㬷ÖÀëÊý¾Ý¿âºó£¬Ö»¸½¼ÓÊý¾ÝÎļþ£¬²»¸½¼ÓÈÕÖ¾
Èç¹û²»¿ÉÓã¬Ö»ÄÜÂýÂýµÈ»¹Ô²Ù×÷Íê³ÉÁË
ÈÕÖ¾ÎļþÌ«´óÁË£¬Ó¦¸Ã¶¨ÆÚÕûÀíÈÕÖ¾
--ѹËõÈÕÖ¾¼°Êý¾Ý¿âÎļþ´óС
&n ......
SQL SERVER 2005 ÖеÄÈÕÆÚʱ¼äÀàÐÍ
Ò»£® Êý¾ÝÀàÐÍ
MS SQL Server 2005 ÓÐ datetime ºÍ smalldatetime Á½ÖÖ¸ñʽµÄÈÕÆÚʱ¼äÊý¾ÝÀàÐÍ¡£×¢Ò⣺ûÓе¥¶ÀµÄÈÕÆÚ»òʱ¼äÀàÐÍ¡£
datetime
Êý¾Ý¿âÄÚ²¿ÓÃÁ½¸ö 4 ×Ö½ÚµÄÕûÊý´æ´¢ datetime Êý¾ÝÀàÐ͵ÄÖµ¡£µÚÒ»¸ö 4 ×Ö½Ú´æ´¢»ù´¡ÈÕÆÚ£¨¼´ 1900-1-1, base ......