How to recover Standby database from a missing archivelog

A Physical Standby database relies on continuous application of archivelogs from a Primary Database to be in synch with it. In Oracle Database versions prior to 10g in the event of an archivelog gone missing or corrupt you had to rebuild the standby database from scratch.

In 10g you can use an incremental backup from SCN and recover the standby using the same to compensate for the missing archivelogs as shown below

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