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 2014Copyright (c) 1982, 2010, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit ProductionWith 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 228Current 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 bytesDatabase Buffers 1392508928 bytes Redo Buffers 16007168 bytesDatabase 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 228Next log sequence to archive 230Current 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 bytesDatabase Buffers 1392508928 bytes Redo Buffers 16007168 bytesDatabase 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 228Current log sequence 230SQL>
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