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Oracle DBA Checklist - Copy Archived Logs to Standby Database and Roll Forward - Daily Procedures
If you have a Standby Database, copy the appropriate Archived Logs to the expected location on the standby machine and apply those logs (roll forward the changes) to the standby database. This keeps the standby database up-to-date.
The copying of logs, the applying of them, or both, can in some cases be automated. If you have automated them, then your daily task should be to confirm that this happened correctly each day.
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