In case you missed the previous posts: As mentioned in a previous post, I was working on a workaround to have a 23ai or 26ai database created with the Compatible parameter set to 19. Having the Compatible set to 19, you will be able to use some of the known techniques to rollback the database…

In case you missed the previous posts: In Part 3, I covered the process of performing a traditional upgrade from a 19c PDB to 23ai or 26ai.Now, I’ll demonstrate how to fallback from 26ai or 23ai to 19c using AutoUpgrade with target_pdb_copy_option.The only caveat with this technique is that it requires additional space to duplicate…

In case you missed the previous posts: When upgrading Oracle Databases in Oracle Cloud, there are several fallback options to ensure minimal risk and maximum reliability during the upgrade process. These options provide flexibility and safeguards in case the upgrade needs to be reverted or issues arise. Honestly, in 23 years of consulting, I never…

Oracle CPAT serves as the single source of truth for Oracle Database migrations. We are continuously enhancing the tool to incorporate more comprehensive information and provide an even better experience for users. Let me walk you through some of the new features now available in CPAT. Source Cloud Vendor: CPAT will try to identify the…

In case you missed the previous posts: This post will cover the traditional upgrade from a 19c pdb to 23ai or 26ai.I’ll also rename the PDB to demonstrate this capability. Why should I use AutoUpgrade? It’s worth mentioning that the same steps can be applied if you’re using Oracle Exadata Database Service on Cloud@Customer (ExaCC). What you…

In case you missed the previous post: Part 1 – Refreshable Clone PDBs This post will cover the traditional upgrade from a non-cdb 19c to 23ai pdb (also works for 26ai).You can also use the same approach to upgrade from 19c pdb to 23ai or 26ai. Why should I use AutoUpgrade? One thing to point out…

There are many ways to upgrade your database to 23ai or 26ai. You can use the OCI Console, OCI command-line tools, and AutoUpgrade. AutoUpgrade is heavily used by Exadata on-premises customers, and you can also use this powerful tool on OCI. Why should I use AutoUpgrade? In this post, I will cover the Refreshable Clone…

CPAT currently includes more than 80 possible checks. Purpose: Identify issues that may interfere with the migration of the source database to the target. Each CPAT Check: The results of Checks are Listed from Most Serious to Least Serious. Action Required means there’s a significant chance that something from the source database will not be…

I was assisting a customer with migrating a PDB from on-premises to OCI. The source database did not have TDE configured. After plugging the PDB into the OCI CDB, the customer encountered some TDE issues. I created the following test to replicate the steps. First, I’ll create a new on-premises PDB without TDE enabled: Let’s…

One Year at Oracle: A Life Transformed A year ago, I joined Oracle after several intense years as a consultant. Looking back, this decision has brought about transformative changes in my personal and professional life. I’m excited to share this journey, reflecting on the differences Oracle has made and what a difference a supportive company…