Root

You may need to run root.sh again after RU patching

Posted on August 7, 2023 by Patch Recommendation 8

With the Oracle Critical Patch Update Advisory – July 2023 – you may have spotted a change in the Database Release Update READMEs: You may need to run root.sh again after RU patching. Why is that?

Let us have a quick look

I verified this with the 19.20.0 README on Linux. But I guess this applies to the other READMEs as well. Please bare in mind that this applies to the Database RUs only, not to Grid Infrastructure. You can find this new paragraph in it:

3.3.5 Update Permissions for extjob

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UNDO_RETENTION not inherited to PDBs anymore since 19.9.0

Posted on July 12, 2021 by Behavior Change 15

Behavior changes introduced via a bug fix may not be something you like a lot. And thanks to Sreedhar from one of our most important customers I learned on the weekend: UNDO_RETENTION not inherited to PDBs anymore since 19.9.0.

UNDO_RETENTION not inherited to PDBs anymore since 19.9.0

Photo by Ben Wicks on Unsplash

What is happening before 19.9.0?

Until Oracle 19.8.0 you could change the UNDO_RETENTION in the CDB$ROOT, and it applied to all PDBs automatically. You may or may not have cared. But there are cases when you’d like to change an undo related parameter in the CDB$ROOT without its propagation into all PDBs.

This behavior …

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Mike Dietrich
Oracle Senior Director of Product Manager for Database Upgrade, Migrations and Patching writing just another blog.

Opinions certainly are my own as is this page.

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