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Rajesh Madhavarao
-->Latest Posts
Enabling Database In-Memory on Exadata: a 16-second query that became 0.12
Oracle 19c EE (Extreme Performance) 19.29 · two-node Exadata Database Service (ExaDB-D) · ~40M-row table · GROUP BY benchmark I’ve been meaning to sit down with Oracle Database..
The 7.68 TB SSD That Wouldn’t Provision: An ODA X9-2-HA vs. 12.1.0.2 Standoff
We recently stood up a new Oracle Database Appliance X9-2-HA to host a legacy application whose databases are still on Oracle 12.1.0.2. What should have been a routine..
Data Analysis Agent: Technical Overview
A Data Analysis Agent is an AI-powered autonomous agent engineered to interact directly with enterprise databases. Leveraging Large Language Models (LLMs), it comprehends database..
OCI AI Private Agent Factory: Installation, Setup, and Template Testing Guide
Introduction Oracle AI Database Private Agent Factory (Agent Factory) is a no-code platform that enables users to rapidly build, test, and deploy intelligent AI agents without..
Handling Let’s Encrypt TLS Client Auth Ending in OCI Certificate Automation
Introduction Automating SSL certificate renewal is a common requirement in modern cloud environments, particularly when using short-lived certificates such as those issued by..
ORA-00439 in OCI DBCS SE2? The Oracle 19c Standard Edition Encryption Paradox
Introduction: The TDE Requirement in Oracle Cloud If you’re managing Oracle databases on Oracle Cloud Infrastructure (OCI) Database Cloud Service (DBCS), you know that security is..
Resolving an Oracle ODA DNS Mismatch: A Step-by-Step Guide
Problem When administering an Oracle Database Appliance (ODA), you may update the OS-level DNS servers (for example, /etc/resolv.conf) but find that odacli describe-system still..
Resolving an Oracle ODA DNS Mismatch: A Step-by-Step Guide
Problem When administering an Oracle Database Appliance (ODA), you may update the OS-level DNS servers (for example, /etc/resolv.conf) but find that odacli describe-system still..
Troubleshooting a DomU Upgrade Failure on Exacs X9M-2 (OL7 → OL8 Upgrade)
Performing an OS upgrade on an ExaCS environment is a critical maintenance task. Recently, we performed a DomU patch on our Exadata X9M-2 cluster to migrate from Oracle Linux 7.9..
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..
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