Upgrade DB with no downtime

  • From: "Ivan Chow" <ichow2@xxxxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Wed, 26 May 2004 22:45:49 -0400

Is there a way to leverage Oracle Data Guard or any other Oracle technology 
to perform a database upgrade from 8i to 9i or 9i to 10G without any 
downtime? Currently it takes us anywhere from 8-12hrs to perform an upgrade 
from 8i to 9i or 9i to 10G. The databases would remain unavailable during 
the upgrade. Ideally, if possible, we would like the database to be 
available during the upgrade.

Appreciate any feedback.



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