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Posts on tips and tricks, using and learning about SQL for database development and analysis.

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From Chaos to Clarity: How SQL Transforms Raw Data into Powerful Stories

From Chaos to Clarity: How SQL Transforms Raw Data into Powerful Stories

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9 min read
Modelagem de Dados no Agro: Unindo fluxo de caixa e Ganho Médio Diário (GMD) no mesmo Banco de Dados

Modelagem de Dados no Agro: Unindo fluxo de caixa e Ganho Médio Diário (GMD) no mesmo Banco de Dados

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6 min read
I Tried to Analyze SQL Lineage Across 15 Databases — Everything Broke Until I Did This

I Tried to Analyze SQL Lineage Across 15 Databases — Everything Broke Until I Did This

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3 min read
Prepared statements in Manticore Search

Prepared statements in Manticore Search

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7 min read
"Table 'test.p' doesn't exist" — Understanding SQL Aliases and Default JOIN Behavior

"Table 'test.p' doesn't exist" — Understanding SQL Aliases and Default JOIN Behavior

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2 min read
SQL Views Explained: Write Once, Query Forever

SQL Views Explained: Write Once, Query Forever

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6 min read
CVE-2026-21643: FortiClient EMS Critical SQL Injection — Actively Exploited, No Credentials Required

CVE-2026-21643: FortiClient EMS Critical SQL Injection — Actively Exploited, No Credentials Required

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2 min read
Cryogenic Storage: A Developer's Guide (Yes, Really)

Cryogenic Storage: A Developer's Guide (Yes, Really)

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2 min read
MySQL InnoDB Locking: The Silent Killer Behind Database Crashes

MySQL InnoDB Locking: The Silent Killer Behind Database Crashes

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24 min read
CTEs vs Subqueries in SQL: Which One Should You Use?

CTEs vs Subqueries in SQL: Which One Should You Use?

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3 min read
PetStore: Pure Java for UI and Safe SQL Mapping

PetStore: Pure Java for UI and Safe SQL Mapping

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3 min read
Data modelling in Power BI: Joins, Relationships, and Schemas Explained.

Data modelling in Power BI: Joins, Relationships, and Schemas Explained.

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2 min read
SQL Injection Explained: How Hackers Bypass Login Forms (and How to Stop Them)

SQL Injection Explained: How Hackers Bypass Login Forms (and How to Stop Them)

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3 min read
AdventureWorks Is Dead. Here's a 42-Table Business Dataset That Actually Balances.

AdventureWorks Is Dead. Here's a 42-Table Business Dataset That Actually Balances.

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4 min read
Triggers in SQL

Triggers in SQL

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1 min read
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