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

Sql Server 2005 ±¸·ÝºÍ»Ö¸´

±¸·Ý£º
A.   ±¸·ÝÕû¸ö   MyNwind   Êý¾Ý¿â  
   
   
  ˵Ã÷     MyNwind   Êý¾Ý¿â½öÓÃÓÚÑÝʾ¡£  
   
   
  ÏÂÀý´´½¨ÓÃÓÚ´æ·Å   MyNwind   Êý¾Ý¿âÍêÕû±¸·ÝµÄÂß¼­±¸·ÝÉ豸¡£  
   
  --   Create   a   logical   backup   device   for   the   full   MyNwind   backup.  
  USE   master  
  EXEC   sp_addumpdevice   'disk',   'MyNwind_1',    
        DISK   ='c:\Program   Files\Microsoft   SQL   Server\MSSQL\BACKUP\MyNwind_1.dat'  
   
  --   Back   up   the   full   MyNwind   database.  
  BACKUP   DATABASE   MyNwind   TO   MyNwind_1  
   
  B.   ±¸·ÝÊý¾Ý¿âºÍÈÕÖ¾  
  ±¾Àý´´½¨ÁËÒ»¸öÊý¾Ý¿âºÍÈÕÖ¾µÄÍêÕû±¸·Ý¡£½«Êý¾Ý¿â±¸·Ýµ½³ÆΪ   MyNwind_2   µÄÂß¼­±¸·ÝÉ豸ÉÏ£¬È»ºó½«ÈÕÖ¾±¸·Ýµ½³ÆΪ   MyNwindLog1   µÄÂß¼­±¸·ÝÉ豸ÉÏ¡£    
   
   
   
  ˵Ã÷     ´´½¨Âß¼­±¸·ÝÉ豸ÐèÒªÒ»´ÎÍê³É¡£  
   
   
  --   Create   the   backup   device   for   the   full   MyNwind   backup.  
  USE   master  
  EXEC   sp_addumpdevice   'disk',   'MyNwind_2',  
        'c:\Program   Files\Microsoft   SQL   Server\MSSQL\BACKUP\MyNwind_2.dat'  
   
  --Create   the   log   backup   device.  
  USE   master  
  EXEC   sp_addumpdevice   'disk',   'MyNwindLog1',  
        'c:\Program   Files\Microsoft   SQL   Server\MSSQL\BACKUP\MyNwindLog1.dat'  


Ïà¹ØÎĵµ£º

SQL´¥·¢Æ÷ʵÀý1

¶¨Ò壺 ºÎΪ´¥·¢Æ÷£¿ÔÚSQL ServerÀïÃæÒ²¾ÍÊǶÔijһ¸ö±íµÄÒ»¶¨µÄ²Ù×÷£¬´¥·¢Ä³ÖÖÌõ¼þ£¬´Ó¶øÖ´ÐеÄÒ»¶Î³ÌÐò¡£´¥·¢Æ÷ÊÇÒ»¸öÌØÊâµÄ´æ´¢¹ý³Ì¡£
      ³£¼ûµÄ´¥·¢Æ÷ÓÐÈýÖÖ£º·Ö±ðÓ¦ÓÃÓÚInsert , Update , Delete ʼþ¡£
      ÎÒΪʲôҪʹÓô¥·¢Æ÷£¿±ÈÈ磬ÕâôÁ½¸ö±í£º
& ......

SQL×¢ÈëÈëÇÖ¶¯ÍøSQL

±à¼­Ç°ÑÔ£ºÕâ¸öÎÄÕÂÎÒûÓвâÊÔ£¬µ«Ç°ÌáÌõ¼þ»¹ÊǺܶ࣬±ÈÈçÒ»¶¨ÒªÓбðµÄ³ÌÐò´æÔÚ£¬¶øÇÒÒ²ÒªÓÃͬһ¸öSQLSERVER¿â£¬»¹µÃ¼ÙÉèÓÐ×¢È멶´¡£Ëµµ½µ×ºÍ¶¯ÍøûÓÐʲô¹Øϵ£¬µ«ÒòΪ¶¯ÍøÂÛ̳µÄ¿ª·ÅÐÔ£¬ÈÃÈËÊìϤÁËÆäÊý¾Ý¿â½á¹¹£¬ºÍ³ÌÐòÔË×÷·½·¨¡£ÔÚÒ»²½²½µÄ¹¥»÷ÖÐÈ¡µÃ¹ÜÀíȨÏÞ£¬ÔÙÒ»²½²½µÄÌáÉýȨÏÞ£¬Èç¹ûÕýºÃÊý¾Ý¿âÓõÄÊÇSAÕʺţ¬¾Í¸üÊÇ ......

×ܽáSQLite²»Ö§³ÖµÄSQLÓï·¨ÓÐÄÄЩ


1 TOP
ÕâÊÇÒ»¸ö´ó¼Ò¾­³£Îʵ½µÄÎÊÌ⣬ÀýÈçÔÚSQLSERVERÖпÉÒÔʹÓÃÈçÏÂÓï¾äÀ´È¡µÃ¼Ç¼¼¯ÖеÄÇ°Ê®Ìõ¼Ç¼£º
SELECT TOP 10 * from [index] ORDER BY indexid DESC;
µ«ÊÇÕâÌõSQLÓï¾äÔÚSQLiteÖÐÊÇÎÞ·¨Ö´Ðеģ¬Ó¦¸Ã¸ÄΪ£º
SELECT * from [index] ORDER BY indexid DESC limit 0,10;
ÆäÖÐlimit 0,10±íʾ´ÓµÚ0Ìõ¼Ç¼¿ªÊ¼£¬Íùºó ......

SQL @005 ÊÕËõÈÕÖ¾

.Çå¿ÕÈÕÖ¾
DUMP TRANSACTION ¿âÃû WITH NO_LOG  
2.½Ø¶ÏÊÂÎñÈÕÖ¾£º
BACKUP LOG ¿âÃû WITH NO_LOG
3.ÊÕËõÊý¾Ý¿âÎļþ(Èç¹û²»Ñ¹Ëõ,Êý¾Ý¿âµÄÎļþ²»»á¼õС
ÆóÒµ¹ÜÀíÆ÷--ÓÒ¼üÄãҪѹËõµÄÊý¾Ý¿â--ËùÓÐÈÎÎñ--ÊÕËõÊý¾Ý¿â--ÊÕËõÎļþ--Ñ¡ÔñÈÕÖ¾Îļþ--ÔÚÊÕËõ·½Ê½ÀïÑ¡ÔñÊÕËõÖÁXXM,ÕâÀï»á¸ø³öÒ»¸öÔÊÐíÊÕËõµ½µÄ×îСMÊý,Ö±½Ó ......

¼¸Ìõ³£¼ûµÄÊý¾Ý¿â·ÖÒ³ SQL Óï¾ä

SQL Server
¡¡¡¡´ÓÊý¾Ý¿â±íÖеĵÚMÌõ¼Ç¼¿ªÊ¼È¡NÌõ¼Ç¼£¬ÀûÓÃTop¹Ø¼ü×Ö£º×¢ÒâÈç¹ûSelectÓï¾äÖмÈÓÐtop£¬ÓÖÓÐorder by£¬ÔòÊÇ´ÓÅÅÐòºÃµÄ½á¹û¼¯ÖÐÑ¡Ôñ£º
¡¡¡¡SELECT *
¡¡¡¡from ( SELECT Top N *
¡¡¡¡from (SELECT Top (M + N - 1) * from& ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ