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
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…
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…
Oracle
Oracle Multitenant Cloning: The Feature That Changed the Way I See Provisioning and Scalability
When Oracle introduced the Multitenant architecture in 12c, many professionals focused on the structural change:…
Oracle
Turn Your Oracle Into a Superhero: RAC & Data Guard Unleashed!
The high availability of Oracle databases is primarily supported by two robust and widely used…