Patching

Full Day Upgrade / Migration / Patching Workshop in Prague on September 17, 2025

Posted on September 2, 2025 by Mike.Dietrich Upgrade / Migration Workshop 0

Summer season is almost over. And in between Oracle AI World in Las Vegas in October and now, there is one chance to meet us for a Full Day Upgrade / Migration / Patching Workshop in Prague on September 17, 2025. There are still some seats open, so please find the details below.

Full Day Upgrade / Migration / Patching Workshop in Prague on September 17, 2025

Photo by Ryan Lum on Unsplash

When and why should you attend?

September 17, 2025 – 9:30h-16:30h.

This is a full package of marketing-free technical content – we share not only slides but also information from our projects, lots of customer experience, gotchas, tips and …

AutoUpgrade patching – getting started with Connor McDonald

AIOUG OC Yatra 2025 is over, and I somehow recovered as well. As I wrote here, it was (again) an incredible experience with all those wonderful people (you!!) and those crazy speakers (us!) – and I learned a lot again. Still, I had no clue that Database and Developer evangelist and video wizard Connor McDonald would react to my friendly nagging 🙂

AutoUpgrade patching - getting started with Connor McDonald

Photo by Graham Holtshausen on Unsplash

Have you used AutoUpgrade before?

If you say “No, not really“, then this video is for you. See how Connor dives into AutoUpgrade which he had never used before.…

The August 2025 version of AutoUpgrade (25.4) is available

Posted on August 5, 2025 by Mike.Dietrich AutoUpgrade 10

This time the AutoUpgrade team did magic and included so many great new features and useful enhancements into the new version of AutoUpgrade. So, please note: The August 2025 version of AutoUpgrade (25.4) is available for download. You should refresh your current versions, especially when you use it for patching, and especially if you attempt to do in an RAC (Real Application Clusters) environment. But read more below.

The August 2025 version of AutoUpgrade (25.4) is available

Photo by Possessed Photography on Unsplash

How to download it?

As usual, that’s very simple. You either download it via the well-known

MOS Note: 2485457.1 – AutoUpgrade Tool

or you fetch …

Recap AIOUG OCYatra 2025 – a trip through India

Posted on July 31, 2025 by Mike.Dietrich Autonomous Database - ADB AutoUpgrade Workshop 0

I just returned the other day from the most strenuous trips I do once a year: The AIOUG Oracle Community Yatra tour. 6 cities in 9 days. It’s a wild ride with flights and bus transfers in between, monsoon rain, heat and nasty mosquitos – but it is still one of the most exciting trips I do. So, let me recap AIOUG OCYatra 2025 – a trip through India. And explain what’s so special about it.

But at first, a huge THANK YOU to the organizers, especially to Sai and all the volunteers making this a …

OCW25 – Pre-Event Training: Mastering Oracle 23ai Upgrades

Posted on July 15, 2025 by Mike.Dietrich OCW OOW Workshop 0

Time flies so quickly. Soon we’ll get together again in Las Vegas for Oracle Cloud World 2025. This year, it will be in October where hopefully it’s a few degrees colder (or less hot) than in early September last year. And as in the past years, we’ll do at OCW25 – Pre-Event Training: Mastering Oracle 23ai Upgrades.

OCW25 - Pre-Event Training: Mastering Oracle 23ai Upgrades

Photo by Heather Gill on Unsplash

Will our pre-event training be different this year?

Of course, we won’t do the same training as we did in 2024. It will be a different training set with plenty of different exercises. …

People do super-cool stuff … AutoUpgrade Composer

Posted on June 5, 2025 by Mike.Dietrich AutoUpgrade 2

I am jealous, and so happy. There are so happy about the fact that we have such skilled minds in the industry. One of them is Marcus Vinicius, an Oracle ACE Pro from Brazil who lives in Dallas, TX in the US. And besides being a real wizard he is also a super-nice guy. No idea where all these Brazilian Oracle experts “grow” but I am very proud to have two of the best in the world in our team. But back to Marcus. People do super-cool stuff … AutoUpgrade Composer is something Marcus put out in the wild.

AutoUpgrade

The May 2025 version of AutoUpgrade (25.3) is available

Posted on May 22, 2025 by Mike.Dietrich AutoUpgrade 11

Many of you know it and downloaded it already. But just in case you are not aware yet, let me give you a quick summary since the May 2025 version of AutoUpgrade (25.3) is available for download.

The May 2025 version of AutoUpgrade (25.3) is available

Photo by julien Tromeur on Unsplash

How to download it?

That’s very simple. You either download it via the well-known

MOS Note: 2485457.1 – AutoUpgrade Tool

or you fetch it directly from oracle.com with curl, wget or by just clicking on the big button.

What’s new?

Well, 25.3 is a one-fix-only release, the real change was in 25.2 released a week …

Utrecht in Spring is beautiful – and we’ll be there on May 6

Posted on April 28, 2025 by Mike.Dietrich Workshop 0

No worries, I don’t start writing a travel blog. Or, maybe one day I will. But not for now. Daniel and I will be on the road again next week for a full day workshop in Utrecht on May 6 and in Brussels on May 7. Brussels is sold out already, the registration is closed. But in Utrecht we still have a few seats open due to the superb conference auditorium space in the Oracle office. Clearly, Utrecht in Spring is beautiful – and we’ll be there on May 6. And it is very close to Brussels in …

Small Pages not allowed for SGA from 19.27 and newer on Exadata

Posted on April 17, 2025 by Mike.Dietrich Behavior Change Exadata / ODA Flaws and Pitfalls 12

Having good friends in Oracle is key. And honestly one of the best things in my role. Philippe Fierens, product manager for Oracle’s Fleet Patching and Provisioning mailed me yesterday night sharing that there is an interesting change coming with Database Release Update 19.27: Small Pages not allowed for SGA from 19.27 and newer on Exadata.

Small Pages not allowed for SGA from 19.27 and newer on Exadata

Photo by George Bonev on Unsplash

What does this mean?

As you can read in MOS Note: 3081878.1 – Starting DBRU 19.27 Small Pages Are Not Allowed for RDBMS SGA In Exadata, from Release Update 19.27 onward (this is the April 2025 …

How do find new features in Oracle Release Updates (RUs)?

Posted on March 24, 2025 by Mike.Dietrich Behavior Change Oracle Database 19c Oracle Database 21c Oracle Database 23ai 4

I know, not everybody is a huge fan of new features in RUs. But how do find new features in Oracle Release Updates (RUs)? Are the listed anywhere? They are, no worries. At least since Oracle Database 19c.

Photo by Jake Weirick on Unsplash

New Features in RUs?

I can already sense that some of you will be tempted to comment and tell me that you don’t like any new features in Oracle Database Release Updates, in short: RUs. But on the other hand there is also something good with it. Rather than waiting for the next full database release …

Upgrade 19c and 23ai Workshop in London on April 9, 2025

Posted on March 12, 2025 by Mike.Dietrich Workshop 5

London calling! Your chance to attend our first full-day Upgrade 19c and 23ai Workshop in London on April 9, 2025 in a decade. Yes, you read correctly. We’ve run such a workshop the last time in 2014. This was when you used an iPhone 6 at best case. Most importantly, this is an in-person only event. No streaming will be available.

Photo by Lachlan Gowen on Unsplash

How do you register?

Simple. No extra cost. Zero marketing. Just tech!! But be aware that you should free up your seat in case you can’t make it since we are really …

Final blog post about datapatch cleanup and purge?

Posted on February 28, 2025 by Mike.Dietrich Patch Recommendation 30

Uh … this was a long journey. In September 2022 Jannes Arends contacted me showing me his growing SYSTEM tablespace with every patch cycle. And not only for the CDB$ROOT only but in every PDB. Over time, I wrote some blog posts I link at the end of this blog post. But finally, we should have a working solution without any additional risk. So, I am hoping that this will be my final blog post about datapatch cleanup and purge.

Final blog post about datapatch cleanup and purge?

Photo by Clay Banks on Unsplash

What’s the point (summary)?

With every patch run, datapatch stores the entire collection …

The 25.1 version of AutoUpgrade is available for download

Posted on February 20, 2025 by Mike.Dietrich AutoUpgrade Patch Recommendation 53

It’s time for a new version of AutoUpgrade. The 25.1 version of AutoUpgrade is available for download. And you should refresh your existing versions quickly since we added plenty of new and long awaited features but we of course fixed also known bugs.

Photo by John Rodenn Castillo on Unsplash

How to download AutoUpgrade 25.1

Not only can you download the newest AutoUpgrade and its previous versions from MOS Note:2485457.1 – Download AutoUpgrade. But for many of you it may be easier to just fetch it with wget or curl directly from:

Download AutoUpgrade directly from oracle.com

You …

Premier Support end date for Oracle Database 23ai has been adjusted

Posted on November 27, 2024 by Mike.Dietrich Release Schedule 14

There were quite a few changes to MOS Note:742060.1 (Release Schedule of Current Database Releases) recently. And this week the new Premier Support end date for Oracle Database 23ai has been adjusted.

Premier Support end date for Oracle Database 23ai has been adjusted

Photo by Huzaifa Ginwala on Unsplash

What has been announced?

When you check MOS Note:742060.1 then you’ll see three recent changes. At first, the Premier Support for Oracle Database 23ai has been extended by 2 years from end of calendar year 2029 to end of calendar year 2031. In addition, the Extended Support period for Oracle Database 23ai has been removed which doesn’t mean that there …

AutoUpgrade 24.8 has been released adding MS Windows patching support

Posted on November 26, 2024 by Mike.Dietrich AutoUpgrade 8

Our developers are amazing. And you may have felt this the past months. In September for OCW2024 we released AutoUpgrade 24.6 with the new patching ability, in October we then released 24.7 improving it significantly and fixing issues based on the first tests, and now in November 2024 AutoUpgrade 24.8 has been released adding MS Windows patching support. Of course, there’s more in AutoUpgrade.

AutoUpgrade 24.8 has been released adding MS Windows patching support

Photo by Tadas Sar on Unsplash

How to download AutoUpgrade 24.8

Not only can you download the newest AutoUpgrade and its previous versions from MOS Note:2485457.1 – Download AutoUpgrade but as I wrote a …

AutoUpgrade’s Patching: The feature you waited for

Posted on October 28, 2024 by Mike.Dietrich AutoUpgrade Patch Recommendation 49

Over the almost past 6 years since we unleashed it, AutoUpgrade changed Oracle Database upgrades significantly. But we’ve been asked so many times about one missing feature. And now it is available. Still in V.1, not feature complete (yet). And we know that you have wishes and desires. Stay with us, it’s going to improve rapidly. So, let us kick off AutoUpgrade’s Patching: The feature you waited for.

AutoUpgrade's Patching: The feature you waited for

Photo by Ashim D’Silva on Unsplash

Wait a bit … AutoUpgrade Patching??

Yes, you are right. AutoUpgrade can patch your database from home A to home B for a longer …

Cleanup datapatch patching files in your database

Posted on September 23, 2024 by Mike.Dietrich Patch Recommendation 16

A while back I wrote about datapatch stores rollback patching files in the database, and the amount of space it may consume over time, especially if you patch frequently. I am fully aware that it took a bit longer, but finally since a few months, there is a relief. You can now Cleanup datapatch patching files in your database, and reclaim the space as well.

Cleanup datapatch patching files in your database

Photo by JESHOOTS.COM on Unsplash

A quick recap

In my blog post from January 2024 I shared queries to check the space consumed by previous patches in your database. In brief, to allow …

OCW24: Upgrade, Migrations and Patching to Oracle Database 23ai

Posted on August 14, 2024 by Mike.Dietrich OCW OOW 0

Oracle Cloud World 2024 is near – in hot Las Vegas. Luckily, the hotel and conference areas are all air-conditioned. Good thing: You have another reason to enjoy the cold inside, and come to our talks and labs. Let me give you a quick overview, why we are so much looking forward to see you at OCW24: Upgrade, Migrations and Patching to Oracle Database 23ai sessions, labs and more.

Photo by Isaac Davis on Unsplash

Pre-Event Training: Multitenant Upgrade 23ai

You can book yourself a full-day pre-conference training on Monday, September 9. We’ll host a small group of …

Looking forward to YATRA 2024 Tour in India

Posted on July 8, 2024 by Mike.Dietrich Workshop 0

Time flies so quickly – and it is already July again. Next week I will fly out to India. And I am looking forward to YATRA 2024 Tour in India. It is always a vibrant experience with tons of energy in every room, with fully motivated people, awesome food and often some travel challenges, too.

What you need to do if you haven’t already? REGISTER NOW!!

Why should you register? Watch this video 🙂

Virtual Classroom Seminar 20: Migration to Oracle Multitenant 23ai – Part 2

Posted on June 24, 2024 by Mike.Dietrich Workshop 0

Needed a long title here. And if you haven’t registered yet, please do so now. Thursday, June 27, 2024, we are going to deliver our (potentially last for this year) Virtual Classroom Seminar 20: Migration to Oracle Multitenant 23ai – Part 2. If you missed part 1, no worries, you can watch it on-demand anytime.

Virtual Classroom Seminar 20: Migration to Oracle Multitenant 23ai - Part 2

Photo by Benjamin Voros on Unsplash

Again, we have an exciting deep-dive tech agenda with lots of bits and pieces, and thinks you may not know yet. Hence, regardless if you are already in the Multitenant architecture, or whether you plan to migrate …

Why isn’t the newest JDK in this Oracle Release Update?

Posted on June 20, 2024 by Mike.Dietrich Best Practice 7

Quick blog post only since I received this question 3x this week in various ways from customers. Why isn’t the newest JDK in this Oracle Release Update? Let me try to answer and explain it.

Photo by Jan Kronies on Unsplash

JDK in the Oracle Home

Actually, when you look at your Oracle Home, you will find a subdirectory:

/u01/app/oracle/product/19/jdk
$ tree -L 1
.
├── bin
├── COPYRIGHT
├── include
├── javafx-src.zip
├── jmc.txt
├── jre
├── jvisualvm.txt
├── legal
├── lib
├── LICENSE
├── README.html
├── release
├── THIRDPARTYLICENSEREADME-JAVAFX.txt
└── THIRDPARTYLICENSEREADME.txt

And in the bin directory, there is …

Virtual Classroom Seminar #19 “Move to Oracle 23ai” is available – and #20 is coming soon

Posted on May 23, 2024 by Mike.Dietrich Workshop 0

Thanks to the over 350 people who attended our Virtual Classroom Seminar #19 – Move to Oracle Database 23ai: Everything you need to know about Multitenant PART 1 on May 16, 2024. And thanks as well for asking so many questions during the seminar. In case you couldn’t attend, or you’ve had to leave earlier, we are sharing the recording with you, and of course the slides as well.

Virtual Classroom Seminar #19 - Move to Oracle Database 23ai - Multitenant Part 1

What were the topics in VC#19?

In VC#19 we talked about the Oracle Multitenant architecture, how to design a new deployment, how the dictionary is laid out. In addition, you will …

IMPORTANT: Location change for the Warsaw workshop

Posted on February 26, 2024 by Mike.Dietrich Workshop 0

Those of you who have received an email to attend the Upgrade / Migration / Performance / 19c / 23c workshop on Feb 27, 2024 in Warsaw, Poland, please note that we have changed the location to accommodate more people.

IMPORTANT: Location change for the Warsaw workshop

Photo by Łukasz Nieścioruk on Unsplash

Originally, the workshop was going to happen at the Oracle Office in Warsaw. But we moved it to:

HUB Convention Center
Crowne Plaza® Warsaw – The HUB
Holiday Inn Express® Warsaw – The HUB
Rondo Daszyńskiego 2
00-843 Warsaw

Please make sure to arrive at 9:00h, we will start straight at 9:30h and …

Your chance – in-person Oracle 23c upgrade workshops in Warsaw and Munich

Posted on January 24, 2024 by Mike.Dietrich Workshop 9

We have a rare offer for you. Not Santa but Daniel and I are coming to town. So, this is your chance – in-person Oracle 23c upgrade workshops in Warsaw and Munich. You are signing up for a packed day of tech. No marketing slides – just facts and features, not only Oracle Database 23c, the new upcoming long-term support release. But certainly we’ll have enough for all those you are just in the process of moving to Oracle Database 19c.

Your chance - in-person Oracle 23c upgrade workshops in Warsaw and Munich

Photo by Łukasz Nieścioruk on Unsplash

When?

We are absolutely excited to offer you a full-day in-person all-tech …

datapatch stores rollback patching files in the database

Posted on January 17, 2024 by Mike.Dietrich Patch Recommendation 29

I held back this blog post for a longer while. A customer (Thanks Jannes!) reported this to me many months ago but the fix was not as trivial as we thought initially, and there were several unlucky circumstances delaying it multiple times. But now it is time to tell you how datapatch stores rollback patching files in the database. And of course, how to cleanup.

datapatch stores rollback patching files in the database

Photo by Pawel Czerwinski on Unsplash

Why is this important?

At first, you may ask yourself: Why should I care? And you are right. This is normally nothing you should care about. …

Patching

When and why should you attend?

Have you used AutoUpgrade before?

How to download it?

Will our pre-event training be different this year?

How to download it?

What’s new?

What does this mean?

New Features in RUs?

How do you register?

What’s the point (summary)?

How to download AutoUpgrade 25.1

What has been announced?

How to download AutoUpgrade 24.8

Wait a bit … AutoUpgrade Patching??

A quick recap

Pre-Event Training: Multitenant Upgrade 23ai

JDK in the Oracle Home

What were the topics in VC#19?

When?

Why is this important?

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