如何启动或关闭oracle的归档(ARCHIVELOG)模式 （转）

参考文献：

http://www.eygle.com/archives/2004/10/oracle_howtoeci.html



1.管理员身份连接数据库
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C:\Users\Administrator>sqlplus sys/sys@prjdb as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Tue Jun 17 23:50:55 2014

Copyright (c) 1982, 2010, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

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2.查看当前归档模式，是归档还是非归档
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SQL> archive log list;
Database log mode              No Archive Mode
Automatic archival             Disabled
Archive destination            USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence     228
Current log sequence           230

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3.关闭数据库

SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.

4.启动数据库到mount状态
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SQL> startup mount;
ORACLE instance started.

Total System Global Area 3423965184 bytes
Fixed Size                  2180544 bytes
Variable Size            2013268544 bytes
Database Buffers         1392508928 bytes
Redo Buffers               16007168 bytes
Database mounted.

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5.启动归档模式
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SQL> alter database archivelog;

Database altered.

SQL> archive log list;
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence     228
Next log sequence to archive   230
Current log sequence           230

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6.启动数据库

SQL> alter database open;
Database altered.

7.关闭归档模式
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SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.

Total System Global Area 3423965184 bytes
Fixed Size                  2180544 bytes
Variable Size            2013268544 bytes
Database Buffers         1392508928 bytes
Redo Buffers               16007168 bytes
Database mounted.
SQL> alter database noarchivelog;

Database altered.

SQL> archive log list;
Database log mode              No Archive Mode
Automatic archival             Disabled
Archive destination            USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence     228
Current log sequence           230
SQL>

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