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1.Êý¾Ý¿â¹éµµÄ£Ê½:
        * ·Ç¹éµµÄ£Ê½:µ±Êý¾Ý¿âÊý¾ÝÖ»¶Á²»»á¸Ä±äʱ,Êý¾Ý²»»á¸Ä±ä,Êý¾Ý¿âÊʺÏÓ÷ǹ鵵ģʽ,                     ÕâÑùÌá¸ßÐÔÄÜ
        * ¹éµµÄ£Ê½:¶ÔÓÚÊý¾Ý¿âÊý¾Ý¾­³£±ä¶¯,Êý¾Ý¿â×îºÃÓù鵵ģʽ,ÕâÑù¿ÉÒÔ¾¡Á¿±ÜÃâÊý¾Ý¿â                   Êý¾Ý¶ªÊ§,ʹ³öÏÖÎÊÌâʱÔÖº¦½µµ½×îµÍ
2.·Ç¹éµµÄ£Ê½Óë¹éµµÄ£Ê½¼äµÄÇл»(ÔÚÃüÁî´°¿ÚÏÂ):
        @¼ì²éµ±Ç°ÈÕÖ¾²Ù×÷ģʽ
              f:\>sqlplus sys/dba as sysdba
              Á¬½ÓÊý¾Ý¿â
              sql>select log_mode from v$database;
        @¹Ø±ÕÊý¾Ý¿â,ºó×°ÔØÊý¾Ý¿â,Ö»ÄÜÔÚmount״̬ϸıäÈÕÖ¾²Ù×÷ģʽ
              sql>startup mount
        @¸Ä±äÈÕ־ģʽ
              sql>alter database achivelog;(±äΪ¹éµµ·½Ê½,·ñÔòΪnochivelog)
              sql>alter database open;
 
3.²é¿´¹éµµÄ£Ê½Ïà¹ØÐÅÏ¢:
        @Èô²ÉÓÃĬÈÏÉèÖÃ,¹éµµÈÕ־λÖÃÔÚ¿ìËÙ»Ö¸´Çø
        @ÅäÖù鵵ÈÕ־λÖà log_archive_dest_n  (n=[1:10])
              sql>alter system set
                  log_archive_dest_1 = 'location =c:\demo\archive [optional]';
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      ѧϰOracle DBAÒ²°ë¸ö¶àѧÆÚÁË£¬½ñÌìÃÍÈ»²Å·¢ÏÖ£¬Ô­À´ÎÒµÄÊ黹ÊǺÜеģ¬ÉϿβÙ×÷ʱºòÒ²Ö»ÊÇÖªµÀ´ó¸ÅÔõô×ö£¬µ«ÊÇÒªÕæµÄÈ«²¿×Ô¼º×ö£¬¶ø²»È¥·­Ê黹ÊÇÓÐÒ»¶¨µÄÄѶȵģ¬ËùÒÔÄØ£¬½ñÌ쿪ʼ½«DBA´ÓÍ·¸´Ï°Ò»±é£¬Í¬Ê±ÔÙ²Ù×÷Ò»±é¡£
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JAVAÖÐOracleȡֵ

package com.svse.dao;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
public class UserDAO {
/*
* javaµ÷Óô洢¹ý³Ì
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public int addUser(String username,int userage)
{
Connection conn = null;
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