Role of the Database Administrator during the Upgrade

The database administrator (DBA) is the most important person for upgrade process. He involve in each steps, except application testing.

The DBA handle following task for database upgrade:
· Analyze current database status and make a plan for upgrade process.
· Meeting with everyone involved in the upgrade process and clearly defining their roles
· Performing test upgrades
· Scheduling the test and production upgrades
· Performing backups of the production database
· Completing the upgrade of the production database
· Performing backups of the newly upgraded Oracle Database production database