Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

SQLÖÐCONVERTת»¯º¯ÊýµÄÓ÷¨

¸ñʽ:
CONVERT(data_type,expression[,style])
˵Ã÷:
´ËÑùʽһ°ãÔÚʱ¼äÀàÐÍ(datetime,smalldatetime)Óë×Ö·û´®ÀàÐÍ(nchar,nvarchar,char,varchar)
Ï໥ת»»µÄʱºò²ÅÓõ½.
Àý×Ó:
SELECT CONVERT(varchar(30),getdate(),101) now
½á¹ûΪ:
now
---------------------------------------
|09/15/2001
===================================================================
styleÊý×ÖÔÚת»»Ê±¼äʱµÄº¬ÒåÈçÏÂ:
------------------------------------------------------------------------------------------------------------
Style(2λ±íʾÄê·Ý)   |   Style(4λ±íʾÄê·Ý)   |    ÊäÈëÊä³ö¸ñʽ                                    
------------------------------------------------------------------------------------------------------------
0                               | 100                           |    mon dd yyyy hh:miAM(»òPM)              
------------------------------------------------------------------------------------------------------------
1                               |  101    ÃÀ¹ú                |    mm/dd/yy                  &nb


Ïà¹ØÎĵµ£º

Oracle Sql ÓÅ»¯


»ù±¾µÄSql±àдעÒâÊÂÏî
¾¡Á¿ÉÙÓÃIN²Ù×÷·û£¬»ù±¾ÉÏËùÓеÄIN²Ù×÷·û¶¼¿ÉÒÔÓÃEXISTS´úÌæ¡£
²»ÓÃNOT IN²Ù×÷·û£¬¿ÉÒÔÓÃNOT EXISTS»òÕßÍâÁ¬½Ó+Ìæ´ú¡£
OracleÔÚÖ´ÐÐIN×Ó²éѯʱ£¬Ê×ÏÈÖ´ÐÐ×Ó²éѯ£¬½«²éѯ½á¹û·ÅÈëÁÙʱ±íÔÙÖ´ÐÐÖ÷²éѯ¡£¶øEXISTÔòÊÇÊ×Ïȼì²éÖ÷²éѯ£¬È»ºóÔËÐÐ×Ó²éѯֱµ½ÕÒµ½
µÚÒ»¸öÆ¥ÅäÏî¡£NOT EXISTS±ÈNOT INЧÂÊÉ ......

tempdb¶ÔSQL ServerÊý¾Ý¿âÐÔÄÜÓкÎÓ°Ïì

tempdb¶ÔSQL ServerÊý¾Ý¿âÐÔÄÜÓкÎÓ°Ïì
 
±¾ÎĹؼü´Ê£ºSQL Server ÍøÂç
Ïà·´Èç¹û·ÃÎʺÜƵ·±,loading¾Í»á¼ÓÖØ,tempdbµÄÐÔÄܾͻá¶ÔÕû¸öDB²úÉúÖØÒªµÄÓ°Ïì.ÓÅ»¯tempdbµÄÐÔÄܱäµÄºÜÖØÒªµÄ,ÓÈÆä¶ÔÓÚ´óÐÍÊý¾Ý¿â.Èç¹ûʹÓÃÁÙʱ±í´¢´æ´óÁ¿µÄÊý¾ÝÇÒƵ·±·ÃÎÊ,¿¼ÂÇÌí¼ÓindexÒÔÔö¼Ó²éѯЧÂÊ.
¡¡  1.SQL ServerϵͳÊý¾Ý¿â½é ......

SQL Server 2008³É¾ÍÆóÒµÊý¾Ýƽ̨

 
 
±¾ÎĹؼü´Ê£ºSQL 2008 SQL SQL Server SQL Server 2008
¶ÔÓÚ¼´½«ÔÚ2008Äê¡ÖØ·¢²¼µÄSQL Server 2008£¬Î¢ÈíÆÚÍûÊг¡²»½ö½öÊÇ°ÑËü×÷Ϊ¹ØϵÊý¾Ý¿âϵͳÀ´¿´´ý£¬Î¢Èí½«Æ䶨λΪһ¸öÆóÒµÊý¾Ýƽ̨£¬ËäÈ»¹ØϵÊý¾Ý¿âÒýÇæÈÔÈ»ÊÇSQL Server 2008µÄºËÐÄ£¬²»¹ýSQL Server 2008ËùÄÜÌṩµÄ·þÎñ¹ã¶È½«Ô¶³¬¹ý¼òµ¥µÄ¹ØϵÊý¾ ......

SQL Server 2008¼¸ÏîÐÂÌØÐÔ¸ÅÊö

¼Æ»®ÓÚ2008ÄêµÚÒ»¼¾¶È·¢²¼µÄSQL Server 2008²»½ö¶ÔÔ­ÓÐÐÔÄܽøÐÐÁ˸Ľø£¬»¹Ìí¼ÓÁËÐí¶àÐÂÌØÐÔ£¬±ÈÈçÐÂÌíÁËÊý¾Ý¼¯³É¹¦ÄÜ£¬¸Ä½øÁË·ÖÎö·þÎñ£¬±¨¸æ·þÎñ£¬ÒÔ¼°Office¼¯³ÉµÈµÈ¡£
¡¡¡¡SQL Server¼¯³É·þÎñ
¡¡¡¡SSIS(SQL Server¼¯³É·þÎñ)ÊÇÒ»¸öǶÈëʽӦÓóÌÐò£¬ÓÃÓÚ¿ª·¢ºÍÖ´ÐÐETL(½âѹËõ¡¢×ª»»ºÍ¼ÓÔØ)°ü¡£SSIS´úÌæÁËSQL 2000µÄDTS¡£Õ ......

SQL Server2008ÐÐÊý¾ÝºÍÒ³Êý¾ÝѹËõ½âÃÜ

SQL Server2008ÐÐÊý¾ÝºÍÒ³Êý¾ÝѹËõ½âÃÜ
 
Êý¾ÝѹËõÒâζ׿õСÊý¾ÝµÄÓдÅÅÌÕ¼ÓÃÁ¿£¬ËùÒÔÊý¾ÝѹËõ¿ÉÒÔÓÃÔÚ±í£¬¾Û¼¯Ë÷Òý£¬·Ç¾Û¼¯Ë÷Òý£¬ÊÓͼË÷Òý»òÊÇ·ÖÇø±í£¬·ÖÇøË÷ÒýÉÏ¡£2.Ç°±êѹËõ£ºÃ¿Ò»Ò³ÖеÄËùÓÐÁУ¬ÔÚÐбêÍ·ÏÂÃ棬ÿÐж¼´æ´¢×ÅÒ»¸öÐж¨ÒåÖµ£¬Ñ¹Ëõºó£¬ËùÓÐÐеĶ¨ÒåÖµ¶¼±»Ìæ»»³ÉÐÐÍ·ÖµµÄÒýÓá£
¡¡¡¡±¾ÎĽ«Îª´ó¼Ò½éÉÜ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ