如何启用和关闭数据库的Oracle归档模式

　　1 .oracle@jumper oracle]$ sqlplus "/ as sysdba"

　　2.SQL*Plus: Release 9.2.0.4.0 - Production on Sat Oct 15 15:48:36 2005

　　3.Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

　　4.Connected to:

　　5.Oracle9i Enterprise Edition Release 9.2.0.4.0 - Production

　　6.With the Partitioning option

　　7.JServer Release 9.2.0.4.0 - Production

　　8.SQL> shutdown immediate;

　　9.Database closed.

　　10.Database dismounted.

　　11.ORACLE instance shut down.

　　1.SQL> startup mount;

　　2.ORACLE instance started.

　　3.Total System Global Area 101782828 bytes

　　4.Fixed Size 451884 bytes

　　5.Variable Size 37748736 bytes

　　6.Database Buffers 62914560 bytes

　　7.Redo Buffers 667648 bytes

　　8.Database mounted.

　　1.alter database archivelog 命令。

　　2.SQL> alter database archivelog;

　　3.Database altered.

　　4.SQL> alter database open;

　　5.Database altered.

　　6.SQL> archive log list;

　　7.Database log mode Archive Mode

　　8.Automatic archival Enabled

　　9.Archive destination /opt/oracle/oradata/conner/archive

　　10.Oldest online log sequence 148

　　11.Next log sequence to archive 151

　　12.Current log sequence 151