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  切换ORACLE数据库归档非归档模式
发布时间:2010/11/26 10:14:09 来源:www.xue.net 编辑:城市总裁吧

  TP系统与AP系统的最大一个区别就是AP系统可能由于数据量较大,还有就是他的数据都是有来源的,假如真的发生了介质故障或其他问题时都是可以从源再拉数据过来的,所以AP通常运行在非归档模式下。

  [oracle@localhost archive]$ cd

  [oracle@localhost ~]$ sqlplus /nolog

  SQL*Plus: Release 10.2.0.3.0 - Production on Mon Nov 22 11:11:14 2010

  Copyright (c) 1982, 2006, Oracle.  All Rights Reserved.

  SQL> conn /as sysdba

  Connected.

  SQL> archive log list;

  Database log mode              Archive Mode

  Automatic archival             Enabled

  Archive destination            /u01/app/oracle/archive

  Oldest online log sequence     109

  Next log sequence to archive   111

  Current log sequence           111

  SQL> shutdown immediate;

  Database closed.

  Database dismounted.

  ORACLE instance shut down.

  SQL> startup mount;

  ORACLE instance started.

  Total System Global Area 1.0737E+10 bytes

  Fixed Size                  2090600 bytes

  Variable Size            1560283544 bytes

  Database Buffers         9160359936 bytes

  Redo Buffers               14684160 bytes

  Database mounted.

  SQL> alter database noarchivelog;

  Database altered.

  SQL> alter database open;

  Database altered.

  SQL> archive log list;

  Database log mode              No Archive Mode

  Automatic archival             Disabled

  Archive destination            /u01/app/oracle/archive

  Oldest online log sequence     109

  Current log sequence           111

  SQL>

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