RUs contain now all available DST patches

At first, Happy New Year everybody. There was silence on the blog for some weeks but I took an extended longer time off. Well, and once you return, there are some emails in your inbox which need some work. You’ll see several new blog posts getting published in the coming days. Back to normal, yesterday night RU 19.18.0 among other patch bundles has been released. And there’s a huge fantastic surprise in it: RUs contain now all available DST patches.


What’s the story?

There are some good news. We discussed this internally …

Continue reading...

Silent ORA-918 behavior change in RU 19.17.0 and newer

I think we have the best customers out there. It is incredible what some people find. We would be lost without you, and this blog would contain only a fraction of the information we can share with you. In this case let me explain the silent ORA-918 behavior change in RU 19.17.0 and newer. And all credits go to Peter Lehmann from Deutsche Telekom who found this issue only a few days after we released 19.17.0.

What is happening?

Peter shared an awesome and simple test case with me. A query with ambiguously defined …

Continue reading...

Why you simply can’t upgrade from Oracle 11g or 12c to Oracle 23c

It’s time for a Monday morning rant. I receive more and more questions which all start similar. “My customer is on Oracle 11g and/or 12c, and want to know whether the next long term support release …“. Now let me clarify Why you simply can’t upgrade from Oracle 11g or 12c to Oracle 23c. And why you MUST upgrade to Oracle Database 19c.

Why you simply can't upgrade from Oracle 11g or 12c to Oracle 23c

Photo by SpaceX on Unsplash

What is the intention?

After a lot of discussions across many regions, especially in JAPAC during the past weeks I realized that there is a reason for all …

Continue reading...

Why you can’t stay on Oracle Database 11g forever

Oracle Database 11g? In 2022? Yes, I know – and you know too – there are Oracle 11g databases out there in production. And blindly I’d say: Too many. Of course, we are the “upgrade guys” trying to convince you to move to Oracle Database 19c. And I bet, for each of your 11g databases there’s a valid and legit reason why they haven’t upgraded yet. But there is one often neglected technical reason Why you can’t stay on Oracle Database 11g forever. So let me explain this below.


Oracle Database 11g?

Continue reading...

AutoUpgrade 2.0 has been released – and got reuploaded

Many of you have used AutoUpgrade for your database upgrades already. Just a few days ago I received some almost enthusiastic comments which made me very very happy. And if you thought it can’t get any better, no worries: AutoUpgrade 2.0 has been released – and got reuploaded.

Why AutoUpgrade 2.0?

As you know, we don’t do marketing but just talk tech. But you may have also recognized that we slowed down in our agile release cycle for AutoUpgrade. The simple reason for this long period of silence was that we’ve had a …

Continue reading...

HrOUG – Croatia: “It is fixed in Oracle 23c??”


Huh? It is fixed in Oracle 23c?? Seriously? – Or how Database Development at Oracle works


Database & Infrastructure

Date and time

Thursday, 14. October 2021., 10:20


Hall E



Have you every heard from Oracle Support “It will be fixed in 21c or 23c”? And wondered if you should upgrade now, and how you should upgrade when the release is not there yet?In this talk we will give rare insights into how Oracle Database Development works.We will explain why it takes more than a few minutes to complete a regression test suite, why you don’t

Continue reading...