GoldenGate

GoldenGate REST API basics with Python

Oracle GoldenGate REST API has been around for quite some time now, but I’ve yet to see it used in practice at customers. Every time I tried to introduce it, it was some sort of novelty. Mainly because DBAs(…)

Comparing Data When Migrating Databases With GoldenGate Veridata: Installation Guide

More often than not, migrating a database is not much about moving the data but about ensuring that nothing was lost in the process. In all migration projects, a DBA will have to answer the following question: “Is my(…)

GoldenGate 26ai: Installation and New Administration Features

Earlier this week, Oracle Database 26ai was released, but GoldenGate 26ai is also available now ! New features were added, but before diving into some of these changes in an upcoming blog post, let’s see what changed from a(…)

Upgrade GoldenGate from Classic to Microservices Architecture before it’s too late !

With GoldenGate 19c and 21c Premier Support coming to an end in April 2026, time is ticking for many clients with old installations of GoldenGate. Fortunately, Oracle provides a Migration utility (patch 37274898 / KB100447(…)

Upgrade Classic Extracts to Integrated Mode Before Migrating to GoldenGate 23ai

Classic Extracts have been deprecated in GoldenGate 19c and shouldn’t be part of your GoldenGate replications for a long time now. Yet, some customers still have them, and with GoldenGate 19c support coming to an(…)

Planning GoldenGate 23ai Migration Before Support Expires

At the moment, three versions of GoldenGate are still under Premier Support, but this will very soon change, with GoldenGate 19c and 21c coming out of Premier Support in April this year ! I give below the official Oracle(…)

OGG-10556 when starting extract from GoldenGate 23ai web UI

Another day, another not-so-documented GoldenGate error, this time about the OGG-10556 error, which I had when setting up replication on a new GoldenGate installation. After making changes from the web UI in an extract, I ended with the following(…)

Extend Session Timeout in GoldenGate Microservices Web UI

If you start using the GoldenGate web UI after installing it, you might end up thinking that extending the session timeout would be nice. Since there is no clear Oracle documentation on that matter, here are multiple ways(…)

OGG-00423 when performing initial load with GoldenGate 23ai

Very quick piece of blog today to tackle the OGG-00423 error. There is not much information online on the matter, and the official Oracle documentation doesn’t help. If you ever stumble upon an OGG-00423 error(…)

ORA-44001 when setting up GoldenGate privileges on a CDB

I was recently setting up GoldenGate for a client when I was struck by a ORA-44001 error. I definitely wasn’t the first one to come across this while playing with grants on GoldenGate users, but nowhere could I find(…)