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2025-03-21 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Shulou(Shulou.com)06/01 Report--
I. Archived switch
1. Check whether the archive is open:
SQL> archive log list;
2. Set the archive path
SQL> alter system set log_archive_dest_1='location=d:\arch3';
3. Open file
SQL> shutdown immediate; --shutdown database
SQL> startup mount; --Start to mount state
SQL> alter database archivelog; --Open archive
SQL> alter database open; --Open database
4. Close the database archive
SQL> shutdown immediate;
SQL> startup mount;
SQL> alter database noarchivelog;
SQL> alter database open;
II. Switch of flashback zone
1. Check whether the flashback area is opened
SQL> select flashback_on from v$database;
2. Set the size of flashback recovery area
SQL> alter system set db_recovery_file_dest_size=30G scope=both;
3. Set the path of flashback recovery area
SQL> alter system set db_recovery_file_dest='/u01/flashback' scope=both;
4. Start flashback
SQL> shutdown immediate;
SQL> startup mount;
SQL> alter database flashback on; --Enable flashback
SQL> alter database open;
5. Close flashback
SQL> alter database flashback off;
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