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±íÖÐÖ÷¼ü±ØÐëΪ±êʶÁУ¬[ID] int IDENTITY (1,1)

1.·ÖÒ³·½°¸Ò»£º(ÀûÓÃNot InºÍSELECT TOP·ÖÒ³)

Óï¾äÐÎʽ£º 
SELECT TOP Ò³¼Ç¼ÊýÁ¿ *
from ±íÃû
WHERE (ID NOT IN
  (SELECT TOP (ÿҳÐÐÊý*(Ò³Êý-1)) ID
  from ±íÃû
  ORDER BY ID))
  ORDER BY ID
//×Ô¼º»¹¿ÉÒÔ¼ÓÉÏһЩ²éѯÌõ¼þ


Àý:
select top 2 *
from Sys_Material_Type
where (MT_ID not in
    (select top (2*(3-1)) MT_ID from Sys_Material_Type  order by MT_ID))
order by MT_ID



2.·ÖÒ³·½°¸¶þ£º(ÀûÓÃID´óÓÚ¶àÉÙºÍSELECT TOP·ÖÒ³£©

Óï¾äÐÎʽ£º
SELECT TOP ÿҳ¼Ç¼ÊýÁ¿ *
from ±íÃû
WHERE (ID >
          (SELECT MAX(id)
    from (SELECT TOP ÿҳÐÐÊý*Ò³Êý id  from ±í
          ORDER BY id) AS T)
      )
ORDER BY ID

Àý:
SELECT TOP 2 *
from Sys_Material_Type
WHERE (MT_ID >
          (SELECT MAX(MT_ID)
          from (SELECT TOP (2*(3-1)) MT_ID
                from Sys_Material_Type
                ORDER BY MT_ID) AS T))
ORDER BY MT_ID



3.·ÖÒ³·½°¸Èý£º(ÀûÓÃSQLµÄÓÎ±ê´æ´¢¹ý³Ì·ÖÒ³)
create  procedure SqlPager
@sqlstr nvarchar(4000), --²éѯ×Ö·û´®
@currentpage int, --µÚNÒ³
@pagesize int --ÿҳÐÐÊý
as
set nocount on
declare @P1 int, --P1ÊÇÓαêµÄid
@rowcount int
exec sp_cursoropen @P1 output,@sqlstr,@scrollopt=1,@ccopt=1, @rowcount=@rowcount output
select ceiling(1.0*@rowcount/@pagesize) as ×ÜÒ³Êý--,@rowcount as ×ÜÐÐÊý,@currentpage as µ±Ç°Ò³
set @currentpage=(@currentpage-1)*@pagesize+1
exec sp_cursorfetch @P1,16,@currentpage,@pagesize
exec sp_cursorclose @P1
set nocount off



4.×ܽá:
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select 2|8       --10
select 2|8|1    --11
select 10&8    --8,°üº¬,10=8+2
select 10&2    --2,°üº¬,10=2+8
select 10&4    --0,²»°üº¬
select 19&16  --16,°üº¬,19=16+2+1
s ......

¹È¸èɵ¹ÏʽSQL×¢Éä(Google dorks sql injection)

Google dorks sql injection:
inurl:index.php?id=  
inurl:trainers.php?id=  
inurl:buy.php?category=  
inurl:article.php?ID=  
inurl:Play_old.php?id=  
inurl:declaration_more.php?decl_id=  
inurl:Pageid=  
inurl:game ......

SQL°²×°ÎÊÌâ ÎÞ·¨»ñÈ¡ASPNETÕË»§µÄϵͳÕË»§ÐÅÏ¢

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