All articles

Observability vs Monitoring

As engineers, we’ve all built dashboards, tuned alerts, and fought noisy monitoring systems. Tools like Elastic, Prometheus, Grafana, Zabbix, or(…)

TNS_ADMIN – which *.ora files Oracle will use

Introduction Oracle uses some configuration files (*.ora) related to the network. tnsnames.ora: A mapping of an alias name to a connect string for Oracle. A kind of “/etc/hosts” for Oracle databases ldap.ora: Configuration of ldap servers to use. A(…)

Moving JBoss EAP Workloads to OpenShift

More and more customers running traditional Java EE or Jakarta EE workloads are asking the same question: “We already use JBoss EAP. Should we move to Kubernetes or OpenShift, and do we need to replace the application server?”(…)

Oracle Forms: Java Web Start or FSAL?

A customer recently asked me about the difference between Java Web Start and the Forms Standalone Launcher for running Oracle Forms applications. I found it a very good question. From the user’s perspective, both methods look similar: the Forms application(…)

Oracle GenAI – Ask EM – Configure Oracle AI Database Assitant

Now that I have got an Oracle Enterprise Manager 24ai deployed in the cloud and an agent installed and configured on a DB System, I'm ready to configure OEM AI assistant. In this blog, I would like to guide you(…)

OGG-02454 Trail not found in checkpoint file when migrating a Coordinated Replicat

When migrating a Coordinated Replicat for a client, I faced a very specific OGG-02454 error that I wanted to share. When using the migration utility on a Classic Architecture Coordinated Replicat, every attempt failed at(…)

A great day at Dbvisit Partner Summit 2026 in Paris for oracle SE databases

I had the chance to participate yesterday to the Dbvisit Partner Summit 2026 in Paris. We had the opportunity to attend some great sessions, have excellent discussions about the product’s current offerings for Oracle Standard Edition databases, and enjoy a(…)

When should something become an object?

When discussions about implementing an ECM system begin, a lot of the talk is about documents. What metadata should they contain? What workflow should they follow? Who should have access to them? However, there is another crucial consideration:(…)

Rename a GoldenGate Extract with the REST API

In a previous blog, I went through the full procedure of renaming a GoldenGate extract from the adminclient. I included all necessary steps to avoid missing transactions. Doing this by hand is completely fine, but(…)

SQL Server: Stop ordering index columns by selectivity

Column order does not affect equality seeks in SQL Server. Measured on 5M rows, then proven inside the B-tree pages.