ͨ¹ý×÷Òµ×Ô¶¯±¸·Ýsql server 2005Êý¾Ý¿â
ÔÚSQL Server 2005Êý¾Ý¿âÖÐʵÏÖ×Ô¶¯±¸·ÝµÄ¾ßÌå²½Öè:
1¡¢´ò¿ªSQL Server Management Studio
2¡¢Æô¶¯SQL Server´úÀí
3¡¢µã»÷×÷Òµ->н¨×÷Òµ
4¡¢"³£¹æ"ÖÐÊäÈë×÷ÒµµÄÃû³Æ
5¡¢Ð½¨²½Ö裬ÀàÐÍÑ¡T-SQL£¬ÔÚÏÂÃæµÄÃüÁîÖÐÊäÈëÏÂÃæÓï¾ä£¨ºìÉ«²¿·ÖÒª¸ù¾Ý×Ô¼ºµÄʵ¼ÊÇé¿ö¸ü¸Ä£¬'D:\LMS2.0\LMS2.0\bak\' ¸ÄΪ×Ô¼ºµÄ±¸·Ý·¾¶£¬'LMS2.0BDÐÞ¸ÄΪÏ뱸·ÝµÄÊý¾Ý¿âµÄÃû³Æ£©
DECLARE @strPath NVARCHAR(200)
DECLARE @strNow NVARCHAR(200)
DECLARE @databaseName NVARCHAR(200)
DECLARE @filePath NVARCHAR(200)
set @strNow = convert(NVARCHAR(19),getdate(),120)
set @strNow = REPLACE(@strNow, ':' , '.')
set @strPath = 'D:\LMS2.0\LMS2.0\bak\'
set @databaseName = 'LMS2.0BD'
set @filePath = @strPath+@databaseName+@strNow+'.bak'
BACKUP DATABASE @databaseName TO DISK = @filePath
6¡¢Ìí¼Ó¼Æ»®£¬ÉèÖÃÆµÂÊ£¬Ê±¼äµÈ¡£
È·¶¨£¬Íê³É¡£
Ïà¹ØÎĵµ£º
н¨Ñ§Éú-¿Î³ÌÊý¾Ý¿âµÄÈý¸ö±í:
ѧÉú±í:Student(Sno,Sname,Ssex,Sage,Sdept) SnoΪÖ÷Âë;
¿Î³Ì±í:Course(Cno,Cname,Cpno,Credeit) CnoΪÖ÷Âë;
ѧÉúÑ¡ÐÞ±í:SC(Sno,Cno,Grade) Sno,Cno,ΪÖ÷Âë;
Student
ѧºÅ
SnoÐÕÃû
SnameÐÔ±ð
SsexÄêÁä
SageËùÔÚϵ
Sdept
95001ÀîÓÂÄÐ20CS
95002Áõ³¿Å®19IS
95003ÍõÃôÅ®18MA
95004 ......
ÉÏ»ØÎÒÃÇ˵µ½ÆÀ¹ÀÒ»ÌõÓï¾äÖ´ÐÐЧÂÊÖ÷Òª¿´Âß¼ IO £¨É¶ÊÇÂß¼ IO £¬É¶ÊÇÎïÀí IO ¼ûÁª»úÎĵµ£©£¬Õâ´ÎÎÒÃǼÌÐø¡£
ÎÒÃÇÏÈ˵˵£¬·µ»Ø¶àÐнá¹ûʱ£¬ÎªÊ²Ã´ SQLServer ÓÐʱ»áÑ¡Ôñ index seek £¬ÓÐʱ»áÑ¡Ôñ index scan ¡£
ÒÔ nonclustered index ΪÀý˵Ã÷¡£
ÏñËùÓеÄË÷Òý B Ê÷Ò»Ñù£¬·Ç¾Û¼¯Ë÷ÒýÊ÷Ò²°üÀ¨ÍêÈ«ÓÉË÷ÒýÊý¾Ý×é³ÉµÄ¸ù½ ......
http://technet.microsoft.com/zh-cn/magazine/2008.04.blocking.aspx
SQL Server
×î´ó³Ì¶È½µµÍ SQL Server ÖеÄ×èÈû
Cherié Warren
¸ÅÀÀ:
·¢ÉúËøÉý¼¶µÄÔÒò
±ÜÃâ²»±ØÒªµÄ×èÈû
ÓÅ»¯²éѯ
¼àÊÓËø¶¨¶ÔÐÔÄܵÄÓ°Ïì
Ëø¶¨¶ÔÖ§³ÖÊý¾Ý¿âµÄ²¢·¢¶Áд»î¶¯¶øÑÔÊDZØÐèµÄ£¬µ«×èÈûÈ´»á¶ÔϵͳÐÔÄܲúÉú¸ºÃæÓ°Ï죬 ......
ËäÈ»²éѯËÙ¶ÈÂýµÄÔÒòºÜ¶à£¬µ«ÊÇÈç¹ûͨ¹ýÒ»¶¨µÄÓÅ»¯£¬Ò²¿ÉÒÔʹ²éѯÎÊÌâµÃµ½Ò»¶¨³Ì¶ÈµÄ½â¾ö¡£ ²éѯËÙ¶ÈÂýµÄÔÒòºÜ¶à£¬³£¼ûÈçϼ¸ÖÖ£º
1¡¢Ã»ÓÐË÷Òý»òÕßûÓÐÓõ½Ë÷Òý(ÕâÊDzéѯÂý×î³£¼ûµÄÎÊÌ⣬ÊdzÌÐòÉè¼ÆµÄȱÏÝ)
2¡¢i/oÍÌÍÂÁ¿Ð¡£¬ÐγÉÁËÆ¿¾±Ð§Ó¦¡£
&n ......
PL/SQL DeveloperʹÓü¼ÇÉ
1¡¢PL/SQL Developer¼ÇסµÇ½ÃÜÂë
ÔÚʹÓÃPL/SQL Developerʱ£¬ÎªÁ˹¤×÷·½±ãÏ£ÍûPL/SQL Developer¼ÇסµÇ¼OracleµÄÓû§ÃûºÍÃÜÂ룻
ÉèÖ÷½·¨£ºPL/SQL Developer 7.1.2 ->tools->Preferences->Oracle->Logon History £¬ "Store history"ÊÇĬÈϹ´Ñ¡µÄ£¬¹´ÉÏ"Store wi ......