Oracle Database Administration from Zero to Hero - Practice - Upgrading Oracle Database

This video tutorial guides viewers through upgrading an Oracle CDB database from version 19C to 21C. It covers preparation steps, installation of Oracle 21C, and the use of the Auto Upgrade utility. The tutorial also details post-upgrade actions and final steps, emphasizing the importance of manual checks and adjustments. Key tasks include setting up the Oracle environment, running the upgrade utility, and verifying the upgrade's success. The video concludes with recommendations for maintaining the upgraded system and reverting to the previous version if needed.

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