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1. ´´½¨ÐµÄÊý¾Ý¿âʵÀý£º
D:\oracle\product\10.2.0\admin\adidb\scripts>dbca
2.Æô¶¯ºÍ¹Ø±ÕʵÀý
D:\oracle\product\10.2.0\admin\adidb\scripts>net start oracleserviceorcl
D:\oracle\product\10.2.0\admin\adidb\scripts>net stop oracleserviceorcl
3.Á¬½ÓÊý¾Ý¿âʵÀý
1> ÉèÖÃoracle_sid (set oracle_sid=orcl)
2> sqlplus / as sysdba ÒÔdbaµÄÉí·ÝµÇ¼
3> ²é¿´ÊµÀý״̬£º select status, instance_name from v$instance ;


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/**
 *
 */
package com.huawei.widget.util;
import java.math.BigDecimal;
/**
 * @author tanjixuan
 * @since 2008-12-20
 *
 */
public final class DatabaseUtil
{
 // oracleתÒå×Ö·û
 public static final char ORACLE_ESCAPE_CHAR = '\\';
 // orac ......

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36.ADD_MONTHS
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¡¡¡¡SQL> select to_char(add_months(to_date(199912,yyyymm),2),yyyymm) from dual;
¡¡¡¡TO_CHA
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¡¡¡¡200002
¡¡¡¡SQL> select to_char(add_months(to_date(199912,yyyymm),-2),yyyymm) from dual;
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