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È»ºóÕÒËø±íµÄsid(session id)£¬SERIAL#£¬PADDR
SELECT * from V$SESSION where osuser='XXXXXX'; --osuserÊǵǽwindowsÃû
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(1).ÏÈɱORACLE½ø³Ì:
ALTER SYSTEM KILL SESSION '²é³öµÄSID,²é³öµÄSERIAL#';
(2).ÔÙɱ²Ù×÷ϵͳ½ø³Ì:KILL -9 ¸Õ²Å²é³öµÄSPID»ò
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alter system kill session'50,492';
--ÒÔϼ¸¸öΪÏà¹Ø±í
SELECT * from v$lock;
SELECT * from v$sqlarea;
SELECT * from v$session;
SELECT * from v$process ;      
SELECT * from v$locked_object;   
SELECT * from all_objects;   
SELECT * from v$session_wait; ......

Oracle ´´½¨³ÌÐò°ü


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1.¶¨ÒåÓë˵Ã÷
  a. Ïà¹Ø¶ÔÏóµÄ·â×°
  b. ³ÌÐò°üµÄ¸÷²¿·Ö
    - ³ÌÐò°ü¹æ¸ñ˵Ã÷
          ÉùÃ÷×Ó³ÌÐò
   - ³ÌÐò°üÖ÷Ìå
        ......

Oracle ²Ù×÷º¯Êý

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 1.ʹÓÃCreate Function Óï¾ä´´½¨
 2.Óï
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     Create or replace Function  º¯ÊýÃû[²ÎÊýÁбí]
     Return  Êý¾ÝÀàÐÍ
IS|AS
            ¾Ö²¿±äÁ¿
     Be ......

Oracle Parameter

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¡¡¡¡string sql = "select * from table1 where name = '" + name + "'";
¡¡¡¡ÕâÖÖ·½Ê½Óб»×¢Èë¹¥»÷µÄΣÏÕ
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¡¡¡¡1¡¢¸Ä³É£ºstring sql = "select * from table1 where name = '" + name.Replace("'","''") + "'"; // Ìæ»»Ò» ......

Oracle Ê÷µÄʹÓÃ(Connect By)

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¡¡¡¡×ֶΡ¡¡¡¡¡master
¡¡¡¡¡¡¡¡¡¡¡¡¡¡sub
¡¡¡¡¡¡¡¡¡¡¡¡¡¡sales
¡¡¡¡insert into tree values
¡¡¡¡('Ö÷1',¡¡¡¡ 'Ö÷2',¡¡ 15);¡¡
¡¡¡¡insert into tree values¡¡¡¡¡¡
¡¡¡¡('Ö÷1',¡¡¡¡ 'Ö÷3',¡¡ 20);¡¡¡¡¡¡¡¡¡¡
¡¡¡¡insert into tree values
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¡ ......
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