© Y V Ravikumar, K M Krishnakumar and Nassyam Basha 2017

Y V Ravikumar, K M  Krishnakumar and Nassyam Basha, Oracle Database Upgrade and Migration Methods, 10.1007/978-1-4842-2328-4_13

13. Database Downgrades

Y V Ravikumar1, K M Krishnakumar2 and Nassyam Basha

(1)Chennai, Tamil Nadu, India

(2)Bangalore, Karnataka, India

(3)Nellore, Andhra Pradesh, India

So far in this book we have been talking about database upgrades. Let’s now look at a situation that would lead you to a database downgrade. Say your database was upgraded successfully but it is encountering unexpected issues after the upgrade; say either that the database performance is degrading or that an application is having some unexpected issues with the upgraded database. You don’t have much ...

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