Michael

@mmuehlbeyer

Joined August 2025

About

nerd, consultant, dba (not always in that order) curious about postgres, oracle, kafka and other tech stuff addicted to books, music and podcasts

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Michael's blogs

michael muehlbeyermmuehlbeyer.hashnode.dev6 posts

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mmuehlbeyer.hashnode.dev

upgrade your database to 26ai using autoupgrade

As we know the non multi-tenant option is desupported Doc link in Oracle 26ai and so we have to switch to multinenant architecture when upgrading to 26ai. in Oracle 26ai and so we have to switch to multinenant architecture when upgrading to 26ai. In ...

Feb 165 min read

mmuehlbeyer.hashnode.dev

Patch your database with autoupgrade

With the help of autoupgrade you could easily patch you're current database to the latest available patch by using a 2-step approach Let's dive directly into it Assume we have installed Oracle database 19c no patches, base version 19.19 (as we're run...

Feb 34 min read

mmuehlbeyer.hashnode.dev

Install a new Oracle Home for Oracle AI database 26ai

I’ve used the spare time during the holidays to play around with Oracles AutoUpgrade utility and created a small guide how to install a new Oracle AI database 26ai with autoupgrade. Prerequisites install autoupgrade personally I tend to have a separa...

Jan 53 min read

mmuehlbeyer.hashnode.dev

Step-by-Step Guide to Migrating Kafka Cluster from Zookeeper to KRaft

The latest Apache Kafka version 3.9. which supports Zookeeper was released in November 2024. The community provides around one year of support for Apache Kafka minor releases. So if you’re running on Apache Kafka 3.9 it’s highly recommend to plan a m...

Oct 13, 20253 min read

mmuehlbeyer.hashnode.dev

S3 Credentials on AWS RDS Custom for SQL

Not a big post, just something around the topic “Today I learned” If you’d like to restore a backup piece located on a S3 bucket to your RDS Custom for SQL on AWS you need to create a credential first. This should be in the following format: CREATE C...

Sep 24, 20252 min read

Michael

About

Available for

Michael's blogs

Recently published

upgrade your database to 26ai using autoupgrade

Patch your database with autoupgrade

Install a new Oracle Home for Oracle AI database 26ai

Step-by-Step Guide to Migrating Kafka Cluster from Zookeeper to KRaft

S3 Credentials on AWS RDS Custom for SQL

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Michael

About

Available for

Michael's blogs

Recently published

upgrade your database to 26ai using autoupgrade

Patch your database with autoupgrade

Install a new Oracle Home for Oracle AI database 26ai

Step-by-Step Guide to Migrating Kafka Cluster from Zookeeper to KRaft

S3 Credentials on AWS RDS Custom for SQL