Oracle NotebookField notes, deep dives, and case studies on Oracle APEX, Oracle Database, Oracle Cloud Infrastructure, SQL & PL/SQL, performance, and analytics.https://vcnorablog.com/Oracle Machine Learning: SQL-Native ML in the Databasehttps://vcnorablog.com/blog/oracle-machine-learning-in-database/https://vcnorablog.com/blog/oracle-machine-learning-in-database/What Oracle Machine Learning actually is, the three flavors (SQL, Python, R), where it's the right tool, and where it isn't.Tue, 26 May 2026 00:00:00 GMTAnalytics & BIoracle-machine-learningomlanalyticsOracle APEX Page Designer: A Mental Modelhttps://vcnorablog.com/blog/oracle-apex-page-designer-mental-model/https://vcnorablog.com/blog/oracle-apex-page-designer-mental-model/How to think about Page Designer's panes, panels, and properties as a single coherent system — and the practical habits that make APEX development less frustrating.Sun, 24 May 2026 00:00:00 GMTOracle APEXoracle-apexpage-designerfundamentalsUnderstanding Oracle's Cost-Based Optimizerhttps://vcnorablog.com/blog/oracle-cost-based-optimizer/https://vcnorablog.com/blog/oracle-cost-based-optimizer/How Oracle's CBO chooses execution plans, why it sometimes gets it wrong, and the practical levers — statistics, histograms, hints, baselines — for fixing bad plans.Fri, 22 May 2026 00:00:00 GMTPerformance & Tuningoracle-databaseoptimizerperformanceSQL Window Functions: The Patterns Worth Knowing in Oraclehttps://vcnorablog.com/blog/sql-window-functions-oracle/https://vcnorablog.com/blog/sql-window-functions-oracle/The seven window-function patterns I actually use in production Oracle SQL — running totals, ranking, top-N-per-group, period comparisons, and more.Tue, 19 May 2026 00:00:00 GMTSQL & PL/SQLsqlwindow-functionspatternsOracle Database Editions: Standard, Enterprise, and Express Explainedhttps://vcnorablog.com/blog/oracle-database-editions-explained/https://vcnorablog.com/blog/oracle-database-editions-explained/A practical guide to the four Oracle Database editions — what each gives you, when to pick which, and the common mistakes that cost real money.Sun, 17 May 2026 00:00:00 GMTOracle Databaseoracle-databaselicensingfundamentalsOracle Integration Cloud: The Developer's Viewhttps://vcnorablog.com/blog/oracle-integration-cloud-developer-view/https://vcnorablog.com/blog/oracle-integration-cloud-developer-view/What Oracle Integration Cloud (OIC) actually does, the patterns it handles well, and where it stops being the right tool.Fri, 15 May 2026 00:00:00 GMTOracle Cloud Infrastructureoracle-integration-cloudoicintegrationOracle GoldenGate: When You Need It (and When You Don't)https://vcnorablog.com/blog/oracle-goldengate-when-you-need-it/https://vcnorablog.com/blog/oracle-goldengate-when-you-need-it/A practical view of GoldenGate — what it does, where it earns its license, and the simpler alternatives that often do the job.Wed, 13 May 2026 00:00:00 GMTOracle Databaseoracle-goldengatereplicationdata-integrationOracle Analytics Cloud: A Practical Lookhttps://vcnorablog.com/blog/oracle-analytics-cloud-practical-look/https://vcnorablog.com/blog/oracle-analytics-cloud-practical-look/What Oracle Analytics Cloud is good at, where it lags Power BI and Tableau, and the specific situations in which OAC is the right BI choice.Sun, 10 May 2026 00:00:00 GMTAnalytics & BIoracle-analytics-cloudoacbusiness-intelligenceOracle Exadata: What Makes It Actually Fasthttps://vcnorablog.com/blog/oracle-exadata-what-makes-it-fast/https://vcnorablog.com/blog/oracle-exadata-what-makes-it-fast/A practical look at the engineering behind Exadata — Smart Scan, Hybrid Columnar Compression, Smart Flash Cache, RDMA — and the workloads where it earns its price.Fri, 08 May 2026 00:00:00 GMTPerformance & Tuningoracle-exadataperformancehardwareOracle Autonomous Database: When It's Worth It (and When It Isn't)https://vcnorablog.com/blog/oracle-autonomous-database-when-its-worth-it/https://vcnorablog.com/blog/oracle-autonomous-database-when-its-worth-it/A developer-focused take on what Oracle Autonomous Database actually does, where it earns its price, and where you'll be paying for features you don't need.Tue, 05 May 2026 00:00:00 GMTOracle Cloud Infrastructureociautonomous-databasecloudPL/SQL Patterns That Pay Off in Real Projectshttps://vcnorablog.com/blog/plsql-patterns-that-pay-off/https://vcnorablog.com/blog/plsql-patterns-that-pay-off/Eight practical PL/SQL patterns that consistently make production code faster, safer, and easier to maintain — with examples.Sun, 03 May 2026 00:00:00 GMTSQL & PL/SQLplsqlperformancepatternsOracle Database 23ai: What Actually Changed and What Mattershttps://vcnorablog.com/blog/oracle-database-23ai-what-changed/https://vcnorablog.com/blog/oracle-database-23ai-what-changed/A developer-focused tour of Oracle Database 23ai — vector search, JSON-relational duality, the DX wins that matter, and what the version bump doesn't change.Fri, 01 May 2026 00:00:00 GMTOracle Databaseoracle-databaseoracle-23aifundamentalsOracle APEX in 2026: What It Actually Is (and What It Isn't)https://vcnorablog.com/blog/oracle-apex-in-2026-what-it-actually-is/https://vcnorablog.com/blog/oracle-apex-in-2026-what-it-actually-is/A clear, opinionated take on what Oracle APEX really is, what it's good at, and the misconceptions that keep developers from giving it a fair look.Wed, 29 Apr 2026 00:00:00 GMTOracle APEXoracle-apexintroductionfundamentals