Dhiraj Kumar’s Oracle Blog: Insights, Best Practices and Real-World Solutions
Check out my latest articles and insights on Medium (@dhirajengr) .
● Featured BLOGS
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Normal SQL search matches characters. WHERE content LIKE ‘%RAC%’ finds rows containing those three letters and nothing else. If a customer describes “cluster node eviction” and my notes say “instance was evicted from the cluster”, a LIKE search finds nothing — different words, same meaning. Vector search solves that. Text…
● Latest BLOGS
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Mastering Oracle AI Vector Search: Vector Constructors and Distance Metrics Made Simple
With Oracle Database 26ai, SQL gains native support for AI workloads through Oracle AI Vector Search. At the heart of similarity search lies two foundational…
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Oracle RAC Grid Infrastructure Upgrade Failure: When “Downgrade Successful” Isn’t Actually Successful (19c → 26ai)
When a major-version Grid Infrastructure upgrade fails partway through, Oracle gives you a documented recovery path: the “Online Terminate Upgrade” downgrade procedure. It’s well documented,…
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Oracle RAC Grid Infrastructure Upgrade from 19c to 26ai (23c) with Real Logs
Upgrading Oracle Grid Infrastructure (GI) from 19c to 26ai (23c internally) is a critical task for RAC environments. While Oracle provides documentation, real-world execution often…
● About Me
I’m Dhiraj Kumar, an Oracle RAC Database With over 15 years of experience, I’m passionate about building high-performance, scalable database solutions that support critical business operations.
📘 Check out my latest articles and insights on Medium (@dhirajengr) .
Dhiraj Kumar's Blog 