如何啟動或關閉Oracle的歸檔(ARCHIVELOG)模式

如何啟動或關閉Oracle的歸檔(ARCHIVELOG)模式

如何啟動或關閉Oracle的歸檔(ARCHIVELOG)模式

1.管理員身份串連資料庫

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

2.查看當前歸檔模式，是歸檔還是非歸檔

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.關閉資料庫

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

4.啟動資料庫到mount狀態

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.

5.啟動歸檔模式

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.啟動資料庫

SQL> alter database open;
Database altered.

7.關閉歸檔模式

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        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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