You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature.Which statement should you use to enable the block change tracking feature?()
You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy:
CONFIGURE RETENTION POLICY TO REDUNDANCY 3;
Which statement is true?()
You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference.
Which method or feature should you use?()
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