Oracle 23ai and the May 2026 26ai release make AI Vector Search a native part of the database — no separate vector store. This hands-on DBA lab shows you how to create a VECTOR column, build an HNSW vector index, size the Vector Pool, and rank results with VECTOR_DISTANCE in about 15 minutes, with copy-paste SQL for 23ai and 26ai.

Oracle AI Database 26ai installation on Oracle Linux 9 is one of the most searched topics among Oracle DBAs as Oracle introduces its next-generation AI-enabled database platform. In this detailed guide, you’ll learn how to install Oracle Database 26ai on Oracle Linux 9 using the GUI installer, followed by creating the database using DBCA (Database Configuration Assistant). This article is written for: Oracle DBA beginners Working professionals Interview preparation Lab and re

Oracle Real Application Clusters (RAC) has always been the backbone of mission-critical database availability. Banks, telecoms, ERPs, and payment platforms still rely on RAC to survive node failures without business impact. But today, DBAs face a serious architectural decision: Do you continue running Oracle RAC in your own data center, or move it to Oracle Cloud Infrastructure (OCI)? This is not a superficial cloud comparison. RAC is extremely sensitive to network latency, s

When production slows down or goes dark, DBAs don’t have the luxury of guesswork — they need a battle-tested debugging strategy that works under pressure. In this deep-dive post, I break down the exact playbook I’ve used across 20+ years of real-world Oracle performance firefighting: rapid triage, controlled containment, evidence-driven analysis, focused remediation, and post-incident hardening. You’ll learn how to correlate AWR/ASH symptoms with OS signals, identify runaway

A Deep Dive into the OEM 24ai Interactive Guide