How to enable or disable oracle's archive (ARCHIVELOG) mode (transfer)

References:

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



1. Connect to the database as an administrator
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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. View the current archive mode, whether it is archive or non-archive
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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 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. Copy code 5. Start archive mode Copy code




























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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