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select name,log_mode from v$database;
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archive log list£»(¸Ã·½·¨ÐèÒªas sysdba)
SQL> archive log list
Database log mode ¡¡¡¡¡¡¡¡¡¡¡¡No Archive Mode
Automatic archival¡¡¡¡¡¡¡¡¡¡¡¡Disabled
Archive destination¡¡¡¡¡¡¡¡¡¡ /export/home/oracle/product/8.1.7/dbs/arch
Oldest online log sequence ¡¡ 28613
Current log sequence¡¡¡¡¡¡¡¡¡¡28615
SQL> SELECT NAME,LOG_MODE from V$DATABASE;
NAME¡¡¡¡¡¡¡¡LOG_MODE
--------¡¡¡¡------------
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1. SQL> alter system set log_archive_dest_1='location=/oracle/oracle10g/log/archive_log';
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SQL>alter system set log_archive_dest_2='location=/oracle/oracle10g/log2/archive_log';
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SQL> shutdown immediate
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SQL> alter database archivelog;
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SQL> alter database open;
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SQL> alter system set log_archive_max_processes = 5;
SQL> alter system set log_archive_format = "archive_%t_%s_%r.log" scope=spfile;
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