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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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--kshϵÄÒ»¸öWHILE Ñ­»·µÄÀý×Ó
integer i=1
while ((i<67))
do 
  pirnt $i
  i=i+1
done
--ksh ÏÂÒ»¸öFORÑ­»·µÄÀý×Ó
for i in `cat listdate.txt`
do
  echo "Ö´ÐÐ $i "
done
--- date.pl ÓÃÓÚÉú³ÉÒ»¸öʱ¼ä¶ÎÎļþ
#!/usr/local/bin/perl
use DBI;
if($#ARGV<1)
 {
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1.
select top 100 * from mytable order by operateDate
2.
select * from (select top 100 * from mytable ) a   order  by a.operateDate
      Æð³õÎÒʹÓõÚÒ»ÌõÓï¾ä²éѯÊý¾Ý£¬²¢Ï£Íû½«µÃµ½µÄ ......

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SQLÖÐ CAST Óë CONVERTת»¯º¯ÊýµÄÓ÷¨

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CAST ( expression AS data_type )
ʹÓà CONVERT£º
CONVERT (data_type[(length)], expression [, style])
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expression
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