RMAN Retention Policy
2 types of retention policy
1. Recovery Window
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS
SYSDATE - checkpoint_time <= RECOVERY WINDOW
This means, it is possible to discover logical error and fix affected object by point-in-time reovery to just before the error occurs
2. Redundancy
Always has the number of redundacy of data file backup. A backup can deemed when the more recently backup of the data file has been backup.
1. Recovery Window
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS
SYSDATE - checkpoint_time <= RECOVERY WINDOW
This means, it is possible to discover logical error and fix affected object by point-in-time reovery to just before the error occurs
2. Redundancy
Always has the number of redundacy of data file backup. A backup can deemed when the more recently backup of the data file has been backup.
posted by HR | 4:05 PM
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