Como se Tornar DBA, Analista de Dados ou Especialista em BI (Guia Completo 2026)
Introdução Se existe uma área que está dominando o mercado hoje, é a área de…
Career
Oracle
Oracle RAC and Data Guard in the Real World: Architecture, Pain, Trade-offs, and Hard Lessons
1. Introduction — The Lie of “High Availability” If you’ve ever sat in a meeting…
Oracle
Oracle: A Tecnologia que Sobreviveu à Moda — e Continua Sustentando o Que Não Pode Quebrar
Existe um padrão recorrente na tecnologia moderna que pouca gente tem coragem de encarar com…
Devs
MySQL
Oracle
Postgres
SQL Server
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…
Oracle
Postgres
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…
Career
Devs
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…
Career
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…
MySQL
Oracle
Postgres
SQL Server
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…
BI Analyst
Data Analyst
Devs
MySQL
Oracle
Postgres
SQL Server
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…
BI Analyst
Data Analyst
Building a Real Data Warehouse: Why the Staging Area Is Not Optional (And When It Actually Is)
I’ve built Data Warehouses for small companies, large enterprises, financial institutions, and global organizations. And…