Actually assuming you checkpoint or commit at least once between backups it would not 
make any difference at all.  An incremental backup catches changed files since the 
last backup which will typically be all your data files.  SCN's get updated in all 
headers if any thing changes.

Allan 

-----Original Message-----
Sent: Wednesday, February 19, 2003 1:25 PM
To: Multiple recipients of list ORACLE-L


My manager asked me to assess how much smaller our backups would be if we were doing 
incremental backups of our database files, instead of the usual hot backups.

We are running 8i on UNIX.

I know that the answer is "it depends" and "you can't really know 'till you try", but 
we are just looking for a ballpark figure, perhaps in percentages.

Our databases are between OLTP and DSS, closer to DSS environment, this being a 
scientific site.

Thanks.
Patrice Boivin
Systems Analyst (Oracle Certified DBA)

Systems Admin & Operations | Admin. et Exploit. des systèmes
Technology Services        | Services technologiques
Informatics Branch         | Direction de l'informatique 
Maritimes Region, DFO      | Région des Maritimes, MPO

E-Mail: [EMAIL PROTECTED]


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