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1.ÓÃOracleÓû§µÇ½Linux·þÎñÆ÷;
2.ÔÚÖÕ¶Ë´°¿ÚÊäÈë sqlplus /nolog
   [oracle@hylinux ~]$ sqlplus /nolog
    SQL*Plus: Release 10.2.0.1.0 - Production on ÐÇÆÚ¶þ 7ÔÂ 29  14:26:16 2008
    Copyright (c) 1982, 2005, Oracle.  All rights reserved.
    SQL>
3.ÊäÈëconnect /as sysdba
    SQL> connect /as sysdba
    ÒÑÁ¬½Ó¡£
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4.ÐÞ¸ÄÃÜÂ룺ÐÞ¸Äsystem ÃÜÂëΪmanager
  alter user system identified by manager;
  SQL> alter user system identified by manager;
  Óû§ÒѸü¸Ä¡£
  ÏÖÔھͿÉÒÔÓÃsystem/managerµÇ½OracleÁË
¹ØÓÚ USER system ACCOUNT UNLOCK; ´íÎóµÄ½â¾ö°ì·¨£º
Ô­ÒòÊÇsystemÓû§±»Ëø¶¨£¬½âËø£º
alter user system account unlock;


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ORACLEÓÃLIMITʵÏÖÀàËÆ·ÖÒ³

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declare
type name_arrary_type is varray(20) of varchar2(10);
name_arrary  name_arrary_type;
rowss int:=&ÊäÈëÒ³¼Ç¼Êý;
dpno int:=&ÊäÈ벿ÃźÅ;
v_count int:=0;
cursor  emp_cursor(dpno int) is select ename from emp where deptno=dpno; ......

Oracle Parameter

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¡¡¡¡string sql = "select * from table1 where name = '" + name + "'";
¡¡¡¡ÕâÖÖ·½Ê½Óб»×¢Èë¹¥»÷µÄΣÏÕ
¡¡¡¡ËùÒÔ½â¾ö·½°¸ÓÐ2ÖÖ£º
¡¡¡¡1¡¢¸Ä³É£ºstring sql = "select * from table1 where name = '" + name.Replace("'","''") + "'"; // Ìæ»»Ò» ......

RedHatAs5ÏÂOracleË«»úÈȱ¸£¨1£©

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Linux
²ËÄñµÄÉí·Ý£¬³õ²½Á ......

Oracle³õѧÕß±ØÖªµÄ100¸öÒÉÎÊ

1. Oracle°²×°Íê³ÉºóµÄԭʼ¿ÚÁ
¡¡internal/oracle
¡¡¡¡sys/change_on_install
¡¡¡¡system/manager
¡¡¡¡scott/tiger
¡¡¡¡sysman/oem_temp
2. ORACLE9IAS WEB CACHEµÄԭʼĬÈÏÓû§ºÍÃÜÂ룿
administrator/administrator
3. oracle 8.0.5ÈçºÎ½¨Á¢Êý¾Ý¿â£¿
ÓÃorainst¡£¼ÙÈçÓÐmotif½çÃæ£¬Äܹ»ÓÃorainst /m¡ ......

oracle ²ã´Î»¯²éѯ

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select   [level],colomn,...from table
       [where where_clause]
       [   [start with start_condition]          [connect by prior prior_condition]&nbs ......
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