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AI meets OEM, let’s test Oracle AI Database Assistant
I have been recently blogging on how I have setup Oracle Enterprise Manager 24ai lab, installed an agent and finally configured Oracle AI Database Assistant. It’s time for me to test it now. Product...
View ArticleDeleting GoldenGate Trail Files via the REST API (OGG-30375)
When automating your GoldenGate deployments, or tearing down a test environment, handling trail files is important. In fact, deleting an extract or a replicat does not delete the trail files it was...
View ArticleGoldenGate Instantiation CSN Explained
For more than ten years (GoldenGate 12.2, released in 2015), GoldenGate has provided a way of performing initial load of tables with a per-table instantiation CSN. But when migrating a database or...
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Archiving 5 TB from Oracle into SQL Server: a migration logbook (part 1)
680,000 rows in 863 seconds. That is 788 rows per second, and the table I was loading holds 229,881,717 of them. Eighty-one hours. For one table. There were five more behind it. SSMA is well...
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Archiving Oracle databases with SIARD Suite
One of our customers needed to archive a 4T Oracle database. Several options have been chosen, one of them being archiving the data to SIARD format using SIARD Suite from Swiss Federal Archives. This...
View ArticleDeleting an Oracle 12c DB Home on a Recent ODA
The Context In the context of Oracle Database Aplliances, you might need to remove an old Oracle Database Home (For instance 12c), while the ODA is already on a recent patch level. For instance in my...
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Snapshots with VirtualBox and btrfs
Snapshot mechanism of VirtualBox With VirtualBox you can take snapshots of the current state (without snapshot functionality of a filesystem like btrfs) This kind of snapshot will create a kind of...
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GoldenGate 26ai AI Service: Full Setup With a Free Gemini Key
I sometimes get asked how the new AI Service of GoldenGate 26ai works, and the best way to show it is to see it in action. In this blog, I will set up the AI Service with Google Gemini, using a free...
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Oracle LDAP Timeouts
Introduction, Setup You are using 2 or more LDAP servers for Oracle name resolution to be highly available? Do you kown what happens if an ldap server is down or not reachable? You probably expect...
View ArticleDDL Filtering in GoldenGate Extract and Replicat
When replicating data with GoldenGate, you often want DDL changes (table alterations, new tables, dropped indexes, etc.) to follow alongside DML. But replicating all DDL is sometimes dangerous...
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Listing and Querying Oracle Enterprise Manager Metric Extensions
I recently wanted to work on Metric Extensions automation, and realized the task was a bit more complicated than I thought. My original idea was to look into the emcli verb list, but I was unlucky. In...
View ArticleSetup an LDAP server for Oracle naming on Enterprise Linux 9
Introduction To centralise Oracle naming resolution, you can use an LDAP server. You can use the commercial products from Oracle like Oracle Internet Directory (OID) or Oracle Universal Directory...
View ArticleTNS_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...
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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...
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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...
View ArticleOGG-02454 Trail Not Found in Checkpoint File When Migrating a Coordinated...
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,...
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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...
View ArticleRename 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...
View ArticleThe GoldenGate REST API Python client is now on pip
In a previous post, I shared the OGGRestAPI Python client I built for the GoldenGate REST API. Since then, I kept using it on production deployments, fixing it and adding new features along the way....
View ArticleGoldenGate DB2 z/OS Upgrade Checklist
Upgrading GoldenGate when the source is DB2 for z/OS is not quite the same exercise as upgrading a GoldenGate installation for Oracle. Most of what I described in my generic blogs about planning a...
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