Confusion about recovery mode nocatalog (Oracle 11.2.0.3)

Hi all

Please help understand the scenario below.

A database runs in nocatalog mode. Now the situation is that the incremental backup of level 0 of the database was taken July 4... Since then, level 1 incremental backup was taken until today that is, 19 July and in the meantime, no full backup was taken... The controlfile_record_keep_time is 7 days. Now if any user asks you to restore and recover the database until July 15 that will be possible? Will be overwritten data in the conrolfile because controlfile_record_keep_time is 7 days and no record will be shown July 4 backup? Please help understand.

> my understanding is impossible to restore and recover from an outdated backup

An out-of-date backup is one that is older than the retention policy.  This does not restore.

Of many DBA scripts run a "REMOVE OBSOLETE" by which obsolete backups are deleted. What makes them not restorable until they are recataloguées with the CATALOG command.  Then, it can be used for a restoration.

Hemant K Collette

Tags: Database

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