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Using Oracle API for MongoDB on OCI

If you’ve ever had to deal with MongoDB after years (or even decades) of working with SQL, you’ve probably realized that querying JSON documents can sometimes be painful, to say the least. In response to this, Oracle (and others) use(…)

Oracle OEM Holistic Patch

The Concept Starting with Oracle Enterprise Manager (OEM) 13.5 RU24 (October 2024), Oracle introduced the Holistic Patch for OEM — a unified patching model that consolidates several separate updates into a single coordinated package. Previously, administrators had to patch: *(…)

RAG Series – Adaptive RAG, understanding Confidence, Precision & nDCG

Introduction In this RAG series we tried so far to introduce new concepts of the RAG workflow each time. This new article is going to introduce also new key concepts at the heart of Retrieval. Adaptive RAG will allow us(…)

How to check if my Oracle dbhome is RO or RW?

As you might know, RO (Read Only) dbhome was introduced in Oracle 18c and became default configuration in Oracle 21c. Oracle came back with RW (Read Write) dbhome as default configuration in 23ai. It might be interesting to know how(…)

Possible to relocate a PDB on ExaCC with move option?

In some of my previous blogs, I showed how we were migrating on-premise databases to the ExaCC using Oracle ZDM at one of our customer. I also explained in some article how it was important in some case to relocate(…)

MongoDB Log Analysis : A Comprehensive Guide

Contrary to other DBMS, MongoDB self-managed deployments generate logs in a JSON format, which can be quite intimidating at first. But instead of hoping to never have to look at the logs, you can use some tools and tips(…)

SQL-Server 2025: Building a RAG Shopping Assistant with T-SQL

In this post, we continue our AI journey with SQL Server 2025 (Preview). In previous articles, I already showed how to call the GPT-4o chat-completion model in Azure directly from SQL Server to generate product descriptions, how to create and(…)

From Oracle’s PL/SQL to PostgreSQL’s PL/pgSQL – 2 – Records, outputs and constraints

In the last post we’ve learned the basics for migrating a sample procedure from PL/SQL to PL/pgSQL. In this post we’ll actually start with migrating the code. The first step in the original procedure was to(…)

From JBoss EAP 7 to 8: What Really Changed

The arrival of JBoss EAP 8 marks a significant milestone in the evolution of Red Hat’s Enterprise Application Server. For many organizations still running on JBoss EAP 7.x, the upgrade brings not only new features but also strategic changes aligned(…)

RAG Series – Hybrid Search with Re-ranking

Introduction In the first part of this RAG series, we established the fundamentals of Naive RAG with dense vector embeddings on PostgreSQL using pgvector. That foundation works well for conceptual queries, but production systems quickly reveal a limitation: pure(…)