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Name resolution of Oracle

This blog post is a follow-up of TNS_ADMIN – which *.ora files Oracle will use. There, the main focus was to find out if a running database instance will use a TNS_ADMIN environment or the binary(…)

tnsping with Oracle instant-client?

The instant client For an application server that connects to Oracle, you probably would not like to install gigabytes of a full Oracle client software? For that, Oracle offers the so-called “Instant Client” you can download for free at(…)

Oracle Fusion Middleware 12c to 14c: 6 Critical Lessons

Upgrading Oracle Fusion Middleware from 12c to 14c is not simply about installing new binaries and running the Upgrade Assistant. After working on several Oracle Fusion Middleware upgrades, involving WebLogic Server, ADF, Oracle Forms, Oracle Reports, Oracle HTTP Server, and(…)

ECM Migration: The moment you inherit everyone’s mess

In my last blog post, I wrote about the importance of ownership of information. Today, I would like to consider what it means when we decide to start a migration project.

Oracle and btrfs snapshots

In my last blog post Snapshots with VirtualBox and btrfs we have seen some possibilities of btrfs snapshots. In this blog post we will see how we can use btrfs snapshots in combination with an(…)

Azure SQL Database: does automatic index compaction fix the UUIDv7 density problem?

Does Azure SQL automatic index compaction fix UUIDv7 page density? Yes after a load, but with continuous inserts it needs a fill factor below 100.

PGConf.EU 2026 – Day 2 & 3

Vacuum and autovacuum I started the second day of PGConf.EU with a session about vacuum and autovacuum, presented by Teresa Lopes.After a short introduction to how MVCC works, she presented the different elements related to autovacuum:What are the different(…)

Retrieving GoldenGate logs, reports, and diagnostics with the REST API

I often need to retrieve report files or logs from GoldenGate deployments, and I wanted to find ways of automating this. Hence this blog, about retrieving all available logs with GoldenGate REST API. I previously wrote about the(…)

Oracle OHS 14.1.2 Upgrade: Cache Broke Authentication

During a recent Oracle Fusion Middleware upgrade from 12.2.1.4 to 14.1.2, I encountered an interesting issue with Oracle HTTP Server (OHS) and WebGate. The upgraded components were running, but WebGate initialization failed and the application was(…)

Anatomy of an Enterprise Manager metric extension

Recently, I was working on deploying Metric Extensions automatically in Enterprise Manager, but the more I looked into it, the more it turned into a different question: what does a Metric Extension look like ? In a(…)