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Rajesh Madhavarao

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Latest Posts

Nov 24, 2025, 3:07:07 PM

Oracle Database Appliance Upgrade 19.20 to 19.24: Common Pitfalls and Solutions

Introduction: A Major OS Migration (OL7 to OL8) Upgrading an Oracle Database Appliance (ODA) Bare Metal system to version 19.24 is a significant process that goes far beyond..

Nov 13, 2025, 5:44:18 PM

Fixing Preupgrade Validation Failure on Oracle Database Appliance (ODA) Due to a Stuck Database Home

When working with Oracle Database Appliance (ODA), upgrade readiness checks are usually straightforward — until you hit a strange failure that doesn’t make sense.

Oct 22, 2025, 12:00:00 AM

Zero-Click Cert Rotation on Oracle Cloud: CertifyTheWeb + OpenSSL + OCI CLI

Certificates expire, weekends don’t. This post shows how we eliminated manual renewals by scripting the entire path— CertifyTheWeb → OpenSSL → OCI CLI—including temporary Port 80..

Jun 4, 2024, 12:00:00 AM

ODA Bare Metal Patching From 19.16 to 19.20

ODA Upgrade from 19.16 to 19.20 Patching Oracle Database Appliance (ODA) Bare Metal Systems involves applying updates to both the operating system and Oracle Software Components...

May 15, 2023, 12:00:00 AM

Using HeatWave Cluster for Query Acceleration in MySQL

MySQL HeatWave is an in-memory query acceleration technology introduced by Oracle for the MySQL Database Service on Oracle Cloud Infrastructure. It allows users to run MySQL..

Feb 8, 2023, 12:00:00 AM

GoldenGate Microservices on OCI

Introduction: The GoldenGate Microservices architecture is a modern data integration solution designed for the microservices era. It provides a flexible and scalable platform for..