如何启动或关闭Oracle的归档(ARCHIVELOG)模式

如何启动或关闭Oracle的归档(ARCHIVELOG)模式

1.管理员身份连接数据库

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 - bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

2.查看当前归档模式，是归档还是非归档

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

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

SQL> startup mount;
ORACLE instance started.

Total System Global Area 3423965184 bytes
Fixed Size 2180544 bytes
Variable Size 2013268544 bytes
Database Buffers 13925028 bytes
Redo Buffers 16007168 bytes
Database mounted.

5.启动归档模式

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

6.启动数据库

SQL> alter database open;
Database altered.

7.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 3423965184 bytes
Fixed Size 2180544 bytes
Variable Size 2013268544 bytes
Database Buffers 13925028 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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