UUIDs are useful, especially when you expose data in REST APIs, but there are cases where you may want to stick to the good old sequence-based primary key. UUIDs in Oracle Database #JoelKallmanDay UUI...

Job title: Postdoctoral Research Fellowship (286516), Employer: University of Oslo, Deadline: Wednesday, October 15, 2025

I recently attended POUG 2025, perhaps the most technical conference in Europe with focus on Oracle Database. My friend Øyvind Isene presented about Multilingual Engine (MLE)/JavaScript and made a …

My recent blog post about Oracle Database 23.7 has generated significant interest in one particular feature: materialized columns. In this post, I’ll dive deeper into what materialized columns are, how they work, and when you might want to use—or avoid—them.

Why Oracle's MERGE Statement Fails Where INSERT/UPDATE Succeeds

Introduction The Oracle SQL Developer team is working on bringing the essential functionality built over the last 20 years in the classic SQL Developer IDE—a JDeveloper extension running as a standalo...

Let's kick it off. When the ora2know group started at DOAG conference in Nuernberg in November 2024, we committed ourselves to support them. And this is exactly the reason why I am going to invite you to this unique event in Munich on July 10, 2025. I will run an ora2know Hands-On Workshop: Upgrade to Oracle 19c and 23ai. And you are going to type 🙂 You need to sign up early since we have only a limited number of seats available.

Colleague Martin Berger posted this recentlyand it got me thinking: If we take out the network (by running a program locally on the database server) how many requests per second can a modern but af…