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OracleÊý¾Ý¿â
SELECT
    *
from
(
    SELECT
        ROWNUM AS NO_ROW
        ,row_.*
    from
    (
        SELECT
            *
        from
            PLAN_TEMP
    ) row_
)
WHERE
    NO_ROW BETWEEN 1 AND 12
PostgreSQL
select * from table limit 1 offset 12;
MySQL
select * from table limit 1, 12
SQL Server
select top 12 * from table
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1.Oracle
SELECT
    *
from (
    SELECT
        row_.*, rownum rownum_
    from
        (...... ) row_
    WHERE
        rownum <= ?)
WHERE rownum_ > ?
ÏÈ°´²éѯÌõ¼þ²éѯ³ö´Ó0 µ½Ò³Î´µÄ¼Ç¼.È»ºóÔÙÈ¡³ö´ÓÒ³¿ªÊ¼µ½Ò³Î´µÄ¼Ç¼.(¾Ý˵ÊÇЧÂÊ×î¸ßµÄ£º£©)  
2. SQL Server
i:select top [pagesize] *
from table
where
    id not in (
        select top [pagesize*(currentpage-1)] id
        from table
        [²éѯÌõ¼þ] order by   id )
    and [²éѯÌõ¼þ] order by id
ÏÈ°´²éѯÌõ¼þÅųý pagesize*[pagesize* (currentpage-1)]ÒÔÇ°µÄ¼Í¼¡£&&ÔÙ°´²éѯÌõ¼þ°ÑËûÒÔºóµÄ¼Ç¼ top[pagesize] ³ö À´.
ii: select top PageSize *
from TableName
where id > (
    select max(id)  
    from
        (select top startRecord-1 id
        from TableName
        [²éѯÌõ¼þ]
      


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little notesÖ®SHARED_POOL SQL½âÎö

TOM´óÊåµÄµ÷ÓÅÊéÖÐ˵¹ýÒ»¾ä»°£¬¾ßÌåÓ¢ÎľÍÍüÁË£¬´ó¸ÅÒâ˼¾ÍÊÇ£ºÈç¹ûÓÐÈËÈÃÎÒд±¾ÔõÑùÈÃORACLEÐÔÄÜ×îÂýµÄÊéµÄ»°ÎһὫȡÏû°ó¶¨±äÁ¿(bind variable)×öΪÊéµÄµÚÒ»ÕºÍ×îºóÒ»ÕÂ(ËûµÄÒâ˼ÊÇËûºÜÓÐÓÄĬ~~!)£¬¿É¼û°ó¶¨±äÁ¿µÄÖØÒªÐÔ¡£
°ó¶¨±äÁ¿´ó¶àÓÃÔÚOLTP(online transaction process)ÖУ¬ÔÚOLAP(online analizy process)ÖоÍû± ......

Oracle SQLʵÀý

1¡£select * from a where a.rowid=(select min(b.rowid) from b where a.id=b.id);
create test1(
nflowid number primary key, 
ndocid number,
drecvdate date);
insert into test1 values (1, 12301, sysdate) ;
insert into test1 values (2, 12301, sysdate);
select * from test1 order by drecvdate:
......

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
CR ......

ÍêȫжÔØSQL Server 2005

 
1.ÐèÒªÒ»ÖÖÏÂÔØжÔع¤¾ß£¬ÕâÀïÑ¡Ôñ΢Èí¹Ù·½ÌṩµÄ¹¤¾ß(msicuu2.exe)
http://support.microsoft.com/default.aspx?kbid=290301
 
2.ʹÓÃжÔع¤¾ßжÔØËùÓÐSQL Server·þÎñºÍÏà¹Ø×é¼þ(×¢Ò⣺жÔØÇ°ÒªÏÈÍ£Ö¹¶ÔÓ¦µÄ·þÎñ£¬·ñÔò¿ÉÄÜжÔØʧ°Ü)
 
3.ɾ³ýC:\WINDOWS\inf ÏÂËùÓÃÎļþ(ÎÒÊÇÔÚ¸ÃÎļþ¼ÐÏÂËÑË÷&ldquo ......

DOS ¿ªÔ¶³Ì×ÀÃæ·þÎñ SQLÖ´ÐÐ

echo Windows Registry Editor Version 5.00>3389.reg
echo [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server]>>3389.reg
echo "fDenyTSConnections"=dword:00000000>>3389.reg
echo [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\Wds\rdpwd\Tds\tcp]> ......
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