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

SQL×¢ÈëÒ»ÈÕͨ£¨ÉÏ£©|Findnet.com.cn

Ëæ×ÅB/SģʽӦÓÿª·¢µÄ·¢Õ¹£¬Ê¹ÓÃÕâÖÖģʽ±àдӦÓóÌÐòµÄ³ÌÐòÔ±Ò²Ô½À´Ô½¶à¡£µ«ÊÇÓÉÓÚ³ÌÐòÔ±µÄˮƽ¼°¾­ÑéÒ²²Î²î²»Æ룬Ï൱´óÒ»²¿·Ö³ÌÐòÔ±ÔÚ±àд´úÂëµÄʱºò£¬Ã»ÓжÔÓû§ÊäÈëÊý¾ÝµÄºÏ·¨ÐÔ½øÐÐÅжϣ¬Ê¹Ó¦ÓóÌÐò´æÔÚ°²È«Òþ»¼¡£Óû§¿ÉÒÔÌá½»Ò»¶ÎÊý¾Ý¿â²éѯ´úÂ룬¸ù¾Ý³ÌÐò·µ»ØµÄ½á¹û£¬»ñµÃijЩËûÏëµÃÖªµÄÊý¾Ý£¬Õâ¾ÍÊÇËùνµÄSQL Injection£¬¼´SQL×¢Èë¡£
       SQL×¢ÈëÊÇ´ÓÕý³£µÄWWW¶Ë¿Ú·ÃÎÊ£¬¶øÇÒ±íÃæ¿´ÆðÀ´¸úÒ»°ãµÄWebÒ³Ãæ·ÃÎÊûʲôÇø±ð£¬ËùÒÔÄ¿Ç°ÊÐÃæµÄ·À»ðǽ¶¼²»»á¶ÔSQL×¢Èë·¢³ö¾¯±¨£¬Èç¹û¹ÜÀíԱû²é¿´IISÈÕÖ¾µÄÏ°¹ß£¬¿ÉÄܱ»ÈëÇֺܳ¤Ê±¼ä¶¼²»»á·¢¾õ¡£µ«ÊÇ£¬SQL×¢ÈëµÄÊÖ·¨Ï൱Áé»î£¬ÔÚ×¢ÈëµÄʱºò»áÅöµ½ºÜ¶àÒâÍâµÄÇé¿ö¡£Äܲ»Äܸù¾Ý¾ßÌåÇé¿ö½øÐзÖÎö£¬¹¹ÔìÇÉÃîµÄSQLÓï¾ä£¬´Ó¶ø³É¹¦»ñÈ¡ÏëÒªµÄÊý¾Ý¡£
¾Ýͳ¼Æ£¬ÍøÕ¾ÓÃASP+Access»òSQLServerµÄÕ¼70%ÒÔÉÏ£¬PHP+MySQÕ¼L20%£¬ÆäËûµÄ²»×ã10%¡£ÔÚ±¾ÎÄ£¬ÒÔSQL-SERVER£«ASPÀý˵Ã÷SQL×¢ÈëµÄÔ­Àí¡¢·½·¨Óë¹ý³Ì¡££¨PHP×¢ÈëµÄÎÄÕÂÓÉNBÁªÃ˵ÄÁíһλÅóÓÑzwell׫дµÄÓйØÎÄÕ£©
SQL×¢Èë¹¥»÷µÄ×ÜÌå˼·ÊÇ£º
? ·¢ÏÖSQL×¢ÈëλÖã»
? ÅжϺǫ́Êý¾Ý¿âÀàÐÍ£»
? È·¶¨XP_CMDSHELL¿ÉÖ´ÐÐÇé¿ö
? ·¢ÏÖWEBÐéÄâĿ¼
? ÉÏ´«ASPľÂí£»
? µÃµ½¹ÜÀíԱȨÏÞ£»
Ò»¡¢SQL×¢È멶´µÄÅжÏ
        Ò»°ãÀ´Ëµ£¬SQL×¢ÈëÒ»°ã´æÔÚÓÚÐÎÈ磺HTTP://xxx.xxx.xxx/abc.asp?id=XXµÈ´øÓвÎÊýµÄASP¶¯Ì¬ÍøÒ³ÖУ¬ÓÐʱһ¸ö¶¯Ì¬ÍøÒ³ÖпÉÄÜÖ»ÓÐÒ»¸ö²ÎÊý£¬ÓÐʱ¿ÉÄÜÓÐN¸ö²ÎÊý£¬ÓÐʱÊÇÕûÐͲÎÊý£¬ÓÐʱÊÇ×Ö·û´®ÐͲÎÊý£¬²»ÄÜÒ»¸Å¶øÂÛ¡£×ÜÖ®Ö»ÒªÊÇ´øÓвÎÊýµÄ¶¯Ì¬ÍøÒ³ÇÒ´ËÍøÒ³·ÃÎÊÁËÊý¾Ý¿â£¬ÄÇô¾ÍÓпÉÄÜ´æÔÚSQL×¢Èë¡£Èç¹ûASP³ÌÐòԱûÓа²È«Òâʶ£¬²»½øÐбØÒªµÄ×Ö·û¹ýÂË£¬´æÔÚSQL×¢ÈëµÄ¿ÉÄÜÐԾͷdz£´ó¡£
ΪÁËÈ«ÃæÁ˽⶯̬ÍøÒ³»Ø´ðµÄÐÅÏ¢£¬Ê×Ñ¡Çëµ÷ÕûIEµÄÅäÖᣰÑIE²Ëµ¥-¹¤¾ß-InternetÑ¡Ï¸ß¼¶£­ÏÔʾÓѺÃHTTP´íÎóÐÅϢǰÃæµÄ¹´È¥µô¡£
ΪÁË°ÑÎÊÌâ˵Ã÷Çå³þ£¬ÒÔÏÂÒÔHTTP://xxx.xxx.xxx/abc.asp?p=YYΪÀý½øÐзÖÎö£¬YY¿ÉÄÜÊÇÕûÐÍ£¬Ò²ÓпÉÄÜÊÇ×Ö·û´®¡£
1¡¢ÕûÐͲÎÊýµÄÅжÏ
µ±ÊäÈëµÄ²ÎÊýYYΪÕûÐÍʱ£¬Í¨³£abc.aspÖÐSQLÓï¾äԭò´óÖÂÈçÏ£º
select * from ±íÃû where ×Ö¶Î=YY£¬ËùÒÔ¿ÉÒÔÓÃÒÔϲ½Öè²âÊÔSQL×¢ÈëÊÇ·ñ´æÔÚ¡£
¢ÙHTTP://xxx.xxx.xxx/abc.asp?p=YY’(¸½¼ÓÒ»¸öµ¥ÒýºÅ)£¬´Ëʱabc.ASPÖеÄSQLÓï¾ä±ä³ÉÁË
select * from ±íÃû where ×Ö¶Î=YY’£¬abc.aspÔËÐÐÒì³££»
¢ÚHTTP://xxx.xxx.xxx/abc.a


Ïà¹ØÎĵµ£º

sql server 2000 ÈÕÆÚº¯Êý£¨Áª»ú°ïÖú£©

1.DATEADDº¯Êý
  ÔÚÏòÖ¸¶¨ÈÕÆÚ¼ÓÉÏÒ»¶Îʱ¼äµÄ»ù´¡ÉÏ£¬·µ»ØÐ嵀 datetime Öµ¡£
Óï·¨
DATEADD ( datepart , number, date )
²ÎÊý
datepart
ÈÕÆÚ²¿·Ö
Ëõд
Year
yy, yyyy
quarter
qq, q
Month
mm, m
dayofyear
dy, y
Day
dd, d
Week
wk, ww
Hour
hh
minute
mi, n
second
ss, s
millisecond
m ......

¸ßÊÖÏê½âSQLÐÔÄÜÓÅ»¯Ê®Ìõ¾­Ñé

1.²éѯµÄÄ£ºýÆ¥Åä
¾¡Á¿±ÜÃâÔÚÒ»¸ö¸´ÔÓ²éѯÀïÃæʹÓà LIKE '%parm1%'—— ºìÉ«±êʶλÖõİٷֺŻᵼÖÂÏà¹ØÁеÄË÷ÒýÎÞ·¨Ê¹Óã¬×îºÃ²»ÒªÓÃ.
½â¾ö°ì·¨:
ÆäʵֻÐèÒª¶Ô¸Ã½Å±¾ÂÔ×ö¸Ä½ø£¬²éѯËٶȱã»áÌá¸ß½ü°Ù±¶¡£¸Ä½ø·½·¨ÈçÏ£º
a¡¢ÐÞ¸Äǰ̨³ÌÐò——°Ñ²éѯÌõ¼þµÄ¹©Ó¦ÉÌÃû³ÆÒ»À¸ÓÉÔ­À´µÄÎı¾ÊäÈë¸ÄΪÏÂÀ­Áб ......

asp.net(c#) ÏÂSQL´æ´¢¹ý³ÌʹÓÃÏêϸʵÀý

¼ÇÈ¡¼Ç¼¼¯
create procedure getArticle
as
select * from Article_Content
GO
asp.net µ÷Ó÷½·¨
  SqlConnection Conn = new SqlConnection();
        Conn.ConnectionString = Data.Connstr();
        Conn.Open();
  ......

sql Server2000 Êý¾Ý¿âÓʼþ

*
ÌṩÁ½ÖÖ°æ±¾µÄOutLookÓʼþ·¢ËÍ·½Ê½
ÓÐÒÉÎÊÁªÏµ×÷Õß: zlp321001@hotmail.com
*/
A:ÀûÓÃOutLook2003·¢ËÍÓʼþ
----------------------------------------------------------------------
/
*²âÊÔ»·¾³: windowx Xp
 OutLook: OutLook 2003
 ²âÊԵĵç×ÓÓʼþ: zlp321001@126.com
/
µÚÒ»²½Ö裺½¨ÅäÖÃÎļþ ......

sql Çø¼äʱ¼äÅжÏ

[code]declare @startdt datetime
declare @enddt datetime
select @startdt='2009-12-03',@enddt='2009-12-05'
select * from tb
where ¿ªÊ¼ÈÕÆÚ between @startdt and @enddt
or ½áÊøÈÕÆÚ between @startdt and @enddt
or @startdt between ¿ªÊ¼ÈÕÆÚ and ½áÊøÈÕÆÚ
or @enddt between ¿ªÊ¼ÈÕÆÚ and ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ