Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

¹ØÓÚ·ÖÒ³µÄsqlÓï¾ä

¶ÔÓÚÓÐÖ÷¼ü×Ô¶¯Ôö³¤Êý¾Ý¿â±í£¬ÔÚ½øÐзÖÒ³ÉèÖÃʱ£¬ÎÒÈÏΪ»¹±È½Ï²»´íµÄÊÇ£º
SELECT TOP Ò³´óС *
from TestTable
WHERE (ID >
          (SELECT MAX(id)
         from (SELECT TOP Ò³´óС*Ò³Êý id
                 from ±í
                 ORDER BY id) AS T))
ORDER BY ID


Ïà¹ØÎĵµ£º

Flat hierarchyid in SQL Server 2008

ÔÚSQL Server 2008ÖÐÒýÈëÁËhierarchyidÀ´´¦ÀíÊ÷×´½á¹¹¡£ÏÂÃæ¼òµ¥¾ÍÒÔAdventureWorks(ÎÞhierarchyid)ºÍAdventureWorks2008(ÓÐhierarchyid)ÀïµÄHumanResources.EmployeeΪÀý£¬À´ËµÃ÷Ò»ÏÂÔÚеÄhierarchyidÖÐÈçºÎ½øÐÐflat»¯µÄdimension³éÈ¡¡£
AdventureWorksÊÇ΢ÈíΪSQL ServerÌṩµÄÊý¾Ý¿âÐéÄâ°¸Àý¡£
AdventureWorksÖÐËùÒªµ ......

SQL SERVER 2008 ¸ü¸Ä¸ú×Ù

SQL SERVER 2008 ¸ü¸Ä¸ú×Ù
/*
¿´Ê飬¿´Áª»úÆÚ¼ä¡£¡£¡£Ë³´ø°Ñ¿´µ½µÄдÏÂ
 
ÓëSQL SERVER 2008 CDC Òì²½²¶»ñÊý¾Ý±ä¸üµÄ²»Í¬,¸ü¸Ä¸ú×ÙÊÇͬ²½½ø³Ì,
ÊÇDML(INSERT/UPDATE/DELETE)ÊÂÎñµÄÒ»²¿·Ö,Ëü¿ÉÒÔʹÓÃ×îСµÄCÅÌ´æ´¢
¿ªÏúÀ´Õì²âÊý¾ÝÐеľ»±ä¸ü.ÄÇôËüÒ²¾Í²»ÄÜÏñCDCÄÇÑù¿ÉÒÔÌṩÓû§±íµÄ
ÀúÊ·¸ü¸ÄÐÅÏ¢. ¸ü¸ÄÊÇʹÓÃÒ ......

SQL SERVER200´íÎó´¦Àí ·þÎñÆ÷

´íÎó´¦Àí
ÔÚSQL Server2000ÖгöÏֵĴíÎó¾ßÓÐÒÔϼ¸¸öÌØµã£º
´íÎóºÅ£ºÃ¿¸ö´íÎó״̬¶¼¶ÔӦΨһµÄ´íÎóºÅ¡£
´íÎóÐÅÏ¢×Ö·û´®£º´íÎóÐÅÏ¢ÌṩÁËÓйشíÎóÔ­ÒòµÄÕï¶ÏÐÅÏ¢¡£Ðí¶à´íÎóÐÅÏ¢¶¼ÓÐÌæ»»±äÁ¿£¬ÆäÖаüº¬Ò»Ð©ÐÅÏ¢£¬Èç²úÉú´íÎóµÄ¶ÔÏóÃû³Æ¡£Ã¿¸ö´íÎóºÅ¶¼¶ÔӦΨһµÄ´íÎóÐÅÏ¢¡£
ÑÏÖØ¶È£ºÑÏÖØ¶È±íʾ´íÎóµÄÑÏÖØ³Ì¶È¡£ ......

sql ÐÔÄܵ÷Õû

1. Ñ¡ÓÃÊʺϵÄORACLEÓÅ»¯Æ÷
   ORACLEµÄÓÅ»¯Æ÷¹²ÓÐ3ÖÖ:
   a.  RULE (»ùÓÚ¹æÔò)   b. COST (»ùÓڳɱ¾)  c. CHOOSE (Ñ¡ÔñÐÔ)
   ÉèÖÃȱʡµÄÓÅ»¯Æ÷,¿ÉÒÔͨ¹ý¶Ôinit.oraÎļþÖÐOPTIMIZER_MODE²ÎÊýµÄ¸÷ÖÖÉùÃ÷,ÈçRULE,COST,CHOOSE,ALL_ROWS,FIRST_ROWS . Ä㵱ȻҲÔÚSQL¾ä¼ ......

SQL SERVER2008 ÏÂÔØµØÖ·¼°ÐòÁкÅ

SQL Server 2008¼òÌåÖÐÎÄÆóÒµ°æÏÂÔØ£º
thunder://QUFodHRwOi8vd3d3LnF1aWNrOC5jbi9kb3duLmFzcD9pZD0xMjM2JnNpZD0wWlo=
±¾DVD°üº¬ÁËx86 x64 ia64 ÈýÖÖCPUģʽµÄ°²×°³ÌÐò¡£°æ±¾ºÅΪ£º 10.0.1600.22
ÐòÁкţº
¿ª·¢°æ(Developer): PTTFM-X467G-P7RH2-3Q6CG-4DMYB
ÆóÒµ°æ(Enterprise): JD8Y6-HQG69-P9H84-XDTPG-34MBB ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ