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分类: Oracle

2012-11-29 11:05:18

一:以归档模式运行数据库

1.shutdown immediate关闭数据库

[oracle@oracle-n1 ~]$ sqlplus "/as sysdba"

SQL*Plus: Release 11.2.0.1.0 Production on Wed Nov 7 11:30:42 2012

Copyright (c) 1982, 2009, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> shutdown immediate;


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

Total System Global Area 1185853440 bytes
Fixed Size                  2212776 bytes
Variable Size             520096856 bytes
Database Buffers          654311424 bytes
Redo Buffers                9232384 bytes
Database mounted.
SQL>

3.启用或停止归档模式

开启归档模式

SQL> alter database archivelog;

Database altered.

SQL> alter database open;

Database altered.

SQL> archive log list;
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            /data/ora11g/product/11.2.0/db_1/dbs/arch
Oldest online log sequence     97
Next log sequence to archive   99
Current log sequence           99


关闭归档模式

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

Total System Global Area 1185853440 bytes
Fixed Size                  2212776 bytes
Variable Size             520096856 bytes
Database Buffers          654311424 bytes
Redo Buffers                9232384 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            /data/ora11g/product/11.2.0/db_1/dbs/arch
Oldest online log sequence     97
Current log sequence           99
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