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How to rollback an MRP

You know, I am not a fan of in-place patching. Actually, I think everyone should always patch out-of-place. But I know that for instance EBS with a 19c database requires in-place patching, and out-of-place will be supported only with 26ai for EBS. Therefore, in relation to an exercise I did over the weekend, let me share how to rollback an MRP.

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What is an MRP?

Very briefly, it stands for Monthly Recommended Patch – thus MRP. And it co-exists with CSPUs. I described the difference here. Read more if you are interested.

CPU, CSPU,

More clarifications on RUs, MRPs and CSPUs

Posted on August 24, 2026 by Mike.Dietrich Patch Recommendation 4

There are questions coming in from time to time, and I see that not everything can be always covered in an FAQ document. But we try our best. And sometimes, there are questions even I need to think twice before I answer. Here is the newest for More clarifications on RUs, MRPs and CSPUs.

More clarifications on RUs, MRPs and CSPUs

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What do you need to read before?

Don’t even read further if you haven’t read already:

The latter MOS FAQ is incredibly …

Long-Term Release Updates are paused

Posted on July 17, 2026 by Mike.Dietrich Oracle Database 19c Patch Recommendation Release Schedule 2

Since several customers asked me about it, I realized that I have never blogged about LTRUs – and as of now, Long-Term Release Updates are paused. Let me explain what the concept meant, where you can find information about it and what it would mean in your environment.

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Long-Term Release Update

The idea is smart for those customers who can’t move forward on Release Updates (RU) as quickly as we recommend it. Which means: apply them quarterly. Long-Term Release Updates (LTRU) seemed to be a good approach. You take an LTRU, and then we …

CPU, CSPU, MRP, RU – some clarifications

Posted on June 9, 2026 by Mike.Dietrich Oracle AI Database 26ai Oracle Database 19c Patch Recommendation 24

I just returned from a 2 week vacation in Asia this weekend. And I was following from a distance. On May 28, the first CSPUs got released, some MOS notes got published. There are a lot of patching options now. CPU, CSPU, MRP, RU – some clarifications may be needed.

CPU, CSPU, MRP, RU - some clarifications

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The Prelude

On May 4, 2026, I published this blog post Patch your database against AI cybersecurity threads following these two announcements:

Applying the MRP from December 2022 to Oracle 19c

Posted on December 21, 2022 by Mike.Dietrich Patch Recommendation 16

Well, couldn’t there be a nicer pre-Christmas present than the December 2022 Monthly Recommended Patches (MRP)? You know, I’m just kidding. But since I received the first questions from customers – and before I send an email internally – I wanted to try out Applying the MRP from December 2022 to Oracle 19c.

Applying the MRP from December 2022 to Oracle 19c

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Download the December MRP

Actually you need to access MOS Note: 888.1 -Primary Note for Database Proactive Patch Program since the link is not in MOS Note: 555.1 – Oracle Database 19c Important Recommended One-Off Patches even though it …

Applying the first MRP for Oracle 19.17.0

Posted on November 17, 2022 by Mike.Dietrich Patch Recommendation 33

A few weeks ago I blogged about the fact that we retired the RURs, and instead release the MRPs (Monthly Recommended Patches). In my previous blog post about this topic you’ll find also an FAQ hopefully answering all the questions you may have (had). And now it is mid of November, so I can show you the process of applying the first MRP for Oracle 19.17.0.

Applying the first MRP for Oracle 19.17.0

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How do you get access to the MRPs?

At the moment while I write this, you can find the MRPs only in MOS Note: 888.1 -Primary …

Patching News: RURs are gone – long live MRPs

Posted on October 26, 2022 by Mike.Dietrich Patch Recommendation Release Schedule 26

Sorry for the headline using TLAs (three letter acronyms). But I was tempted – and those of you being interested in Oracle Database patching my quickly realize that there are some Patching News: RURs are gone – long live MRPs.

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RURs are gone?

Andy Mendelsohn announced the MRPs (Monthly Recommended Patches) in October at DOAG Conference in Nuernberg already. Due to Oracle Cloud World bussiness, I’ve had no time to write about it yet. And the introduction of the MRPs means that we won’t produce RURs anymore after a transition grace period.…

Monthly

How to rollback an MRP

What is an MRP?

More clarifications on RUs, MRPs and CSPUs

What do you need to read before?

Long-Term Release Updates are paused

Long-Term Release Update

CPU, CSPU, MRP, RU – some clarifications

The Prelude

Applying the MRP from December 2022 to Oracle 19c

Download the December MRP

Applying the first MRP for Oracle 19.17.0

How do you get access to the MRPs?

Patching News: RURs are gone – long live MRPs

RURs are gone?

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