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Roy Caldwell began his career as a Database Consultant at Oracle, advising Fortune 500 clients on Oracle RAC and Data Guard, and leading performance‑tuning and disaster‑recovery initiatives that halved recovery time objectives. He later joined Google Cloud as a Senior Database Engineer, where he architected Cloud Spanner, Cloud SQL, and Bigtable solutions—reducing query latency by 45% and boosting throughput by 60% with automated failover pipelines. As Lead Database Architect at Vinchin, he now designs scalable, high‑availability infrastructures with proactive monitoring to sustain 99.99% uptime and enable zero‑downtime feature releases.
I love playing basketball and trying new taco recipes. I enjoy board games with friends, biking on nearby trails, and hiking in the woods. I also kayak on the lake, take photos of the stars, tinker with small robots, and hunt for the best cup of coffee.
OpenStack runs many cloud environments. Sometimes you must restart its services for updates or fixes. This guide shows clear steps for safe restarts and offers tips to avoid downtime. Read on to keep your cloud stable.
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When VMware does not display your removable devices, work can stall. This guide explains the causes and gives clear steps to restore device access in your virtual machines. Read on for simple fixes.
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SQL Server active-active clusters help keep databases online by using multiple nodes for high availability. This guide explains the basics, setup steps, benefits, drawbacks, and best practices so you can build a reliable cluster.
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Dropping an Oracle database erases all data and files. This guide explains the risks, shows step-by-step methods for safe removal, and helps you avoid common mistakes. Read on to learn how to protect your data before deletion.
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Database corruption or failure can happen unexpectedly. This guide will walk you through different ways to restore your MySQL database from files, ensuring data recovery with minimal downtime.
Mar 28 2025