About the Oracle Suggested Backup Strategy and Retention

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About the Oracle Suggested Backup Strategy and Retention
When using the Oracle suggested backup strategy, the retention is dictated by the
recovery and not by the configured retention. In order to get retention beyond 24
hours, you must change the RECOVER statement to something like:
RECOVER COPY OF DATABASE WITH TAG 'ORA_OEM_LEVEL_0' UNTIL TIME "SYSDATE-4";
The configured retention is not honored for either the retention or obsolete settings. So
when using the Oracle suggested backup strategy, Oracle recommends that the default
setting remains unchanged to avoid confusion:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
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