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backup

Posted on 2013-11-14
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what is the difference between..

Cumilative level 1 backup, cumulative level 2 backup, cumulative level 0 backup
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Question by:dev_dba
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Geert Gruwez earned 500 total points
ID: 39650465
level 0 backup is a full backup of the datafiles
level 1 backup is a backup of all the change since the last level 0 backup or the last level 1 backup

here is a full explanation of the different ways of cumulative backups
http://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmcncpt.htm#sthref707

i've never heard of a level 2
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by:dev_dba
ID: 39655466
level1 backup under stood..
backup of till last transaction from the level 0 backup..
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by:Geert Gruwez
ID: 39655669
well you can actually ask rman to backup from a certain point in time (scn) to a certain point in time
rman> backup incremental level 1 database from scn xxxx;

this backups the database from that change number
> handy if archivelogs get lost and you need to apply them on a standby
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