Introduction: Why Oracle Execution Plan Instability Hurts DBAs Oracle execution plan instability is one of those issues that looks harmless in a test environment but can turn into a production fire in seconds. One moment a query runs in milliseconds,… Read More »Top 7 Strategies to Tame Oracle Execution Plan Instability
Introduction: Why Oracle RMAN Backup and Recovery Matters for OCP/OCA When I prepared for my Oracle certifications, it quickly became obvious that Oracle RMAN backup and recovery was not just another topic on the blueprint – it was at the… Read More »Oracle RMAN Backup and Recovery: Exam-Focused Guide for OCP/OCA
Introduction: Why Oracle Performance Tuning and Backup Recovery Mistakes Kill Your OCP Score When I first started preparing for OCP, I underestimated how much weight Oracle places on real-world thinking around performance tuning and backup recovery. It’s not just about… Read More »Top 7 Oracle Performance Tuning and Backup Recovery Mistakes to Avoid for OCP
Introduction: Why Oracle Performance Tuning Strategies Matter for OCP/OCA When I first started working with Oracle, I thought performance tuning was an “advanced” topic I could postpone until after passing my exams. It didn’t take long in a real production… Read More »Top 7 Oracle Performance Tuning Strategies for OCP & OCA Success