Como conseguir o primeiro emprego como DBA Júnior (A verdade que quase ninguém explica)
Todos os dias eu recebo mensagens de alunos dizendo algo parecido com isto: "Sandro, eu…
Career
Devs
SQL Server
Why Many Developers Still Don’t Understand Databases
There is something I have noticed for many years, and it keeps repeating itself in…
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…
SQL Server
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.…
SQL Server
Cumulative Updates (CUs) in SQL Server: Why Serious DBAs Never Ignore Them
Let me be very clear about something: Ignoring Cumulative Updates in SQL Server is not…
SQL Server
In-Memory Tables in SQL Server: When They’re Brilliant — And When They’re a Trap
Let me start with something honest: In-Memory OLTP in SQL Server is powerful. But it…
SQL Server
Statistics in SQL Server: The Silent Force Behind Performance (And Why DBAs Ignore It at Their Own Risk)
Let me tell you something that many professionals underestimate: Indexes are powerful.Hardware is expensive.But statistics…
Career
The Evolution of the DBA: From Database Operator to Global Strategic Architect
Let me say something that many people still don’t understand: The DBA is not disappearing.…
SQL Server
SQL Server Table Partitioning: When It Saves You… and When It Destroys Your Performance
Let me start with something uncomfortable. Most people who talk about partitioning in SQL Server…
SQL Server
Redis and SQL Server Together: Smart Architecture or Unnecessary Complexity?
Over the years, I’ve seen a pattern repeat itself in enterprise environments. Performance issues appear.Latency…