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Can ASM mirror be used as a method of database backup?

edited Jul 10, 2015 10:02AM in Database Administration (MOSC) 1 commentAnswered

we need to do changes on database(eg.to upgrade the database from 11.2.0.4 to 12.1.0.2) and may rollback database to the original status(rollback to 11.2.0.4) if we encounter change failures.

Can we use ASM mirror as a method of database backup? if we can,then how?

or

can we use flashback database?

thanks

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