30 SQL Mistakes I Still See Developers Make (And the Production Nightmares They Caused Me) — After 25 Years Across SQL Server, Oracle, PostgreSQL, and MySQL
I’ve spent 25 years living inside databases. Not just reading docs — I mean: being…
Why PostgreSQL and Oracle Look So Similar: The Hidden History Behind SQL Databases
One Question I Often Hear From Database Professionals Over the years working with different database…
The SQL Server Log Most DBAs Ignore… Until It’s Too Late
Why Every Serious DBA Must Master SQL Server Error Logs One of the Most Important…
The Hidden SQL Server Command That Lets You Simulate Hardware: Mastering DBCC OPTIMIZER_WHATIF
Introduction One of the most fascinating — and often overlooked — capabilities inside SQL Server…
Working in IT in the United States: The Real Game, The Real Barriers, and How to Compete at the Highest Level
Let me start with something very clear: The United States is not just another job…
DBA Jobs in Europe: The Real Game, The Real Process, and What Nobody Tells You
Let me start with something very direct. Europe is not waiting for you. And it…
Full Stack Java: The Illusion of Completeness, The Reality of Depth, and The Future of the Role
There is a romantic idea in the tech industry that being a “Full Stack Java…
Microservices and Their Real Impact on Databases: Architecture, Trade-Offs, and the DBA’s New Reality
Over the past decade, microservices have gone from trend to mainstream architecture. Every company wants…
Data Modeling Is Not Optional: Why a Strong Data Model Defines the Success — or Failure — of Any System
If there’s one mistake I’ve seen repeatedly in my career, it’s this: Teams rushing to…
What Is a Deadlock in SQL Server (And in Any Serious Relational Database)?
If you’ve worked long enough with relational databases in real production environments, you’ve encountered it.…