Re: Differential incremental backups

From: andrey khudyakov <andrey.hudyakov_at_gmail.com>
Date: Thu, 18 Mar 2010 16:02:40 +0200
Message-ID: <ef6564031003180702s4bca68c6ha9b96223011a05ef_at_mail.gmail.com>



Small clarification.
in fact, there are 5 levels of incremental backups. 0 - is the base level, and 1-4 incremental levels

2010/3/18 Guillermo Alan Bort <cicciuxdba_at_gmail.com>

> According to Oracle Courseware (it's been a while, but I think I remember
> it right). There are Full Backups and Incremental Backups. Full Backups take
> the entire database, Incremental backups have different levels.
> Level 0 Incremental Backup: Takes the entire database (works just like a
> full backup, but is used for base point to level 1 and 2 incremental
> backups).
> Level 1 Incremental Backup: backs up all blocks changed after the most
> recent incremental backup at level 1 or 0
> Level 2 Incremental Backup (differential): backs up all blocks changed
> after the most recent incremental backup at level 0
>
>
>
>

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Received on Thu Mar 18 2010 - 09:02:40 CDT

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