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

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MySQL vs MongoDB - Visual Design with Real Data Models

MySQL vs MongoDB - Visual Design with Real Data Models

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5 min read
What’s a database anyway?? A blog post for kids

What’s a database anyway?? A blog post for kids

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14 min read
Kapper 1.5: Celebrating Java's 30th Birthday with Blazing Fast Record Mapping

Kapper 1.5: Celebrating Java's 30th Birthday with Blazing Fast Record Mapping

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4 min read
🛡️ Understanding and Exploiting Blind SQL Injection

🛡️ Understanding and Exploiting Blind SQL Injection

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3 min read
Substring from a Column of Strings — From SQL to SPL #25

Substring from a Column of Strings — From SQL to SPL #25

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2 min read
🛡️ Examining the Database in SQL Injection Attacks

🛡️ Examining the Database in SQL Injection Attacks

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4 min read
Total under Recursive Relationship — From SQL to SPL #33

Total under Recursive Relationship — From SQL to SPL #33

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2 min read
NoSQL vs. SQL: Which One to Use

NoSQL vs. SQL: Which One to Use

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3 min read
How to install PostgreSQL on macOS: Step-by-Step Instructions

How to install PostgreSQL on macOS: Step-by-Step Instructions

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1 min read
Isolation — The Trickiest ACID Pillar (And Why It Matters More Than You Think)

Isolation — The Trickiest ACID Pillar (And Why It Matters More Than You Think)

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7 min read
How to install Maven (Apache Maven) on Windows 11?

How to install Maven (Apache Maven) on Windows 11?

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2 min read
How to Handle Millions of Rows in SQL Without Killing Performance

How to Handle Millions of Rows in SQL Without Killing Performance

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2 min read
Open-source Node.js blogging engine with newsletter functionality

Open-source Node.js blogging engine with newsletter functionality

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1 min read
Postgres vs. MySQL: DDL Transaction Difference

Postgres vs. MySQL: DDL Transaction Difference

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4 min read
DuckDB 1.20 Released! Exploring the New Features

DuckDB 1.20 Released! Exploring the New Features

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4 min read
#34 50 Advanced SQL Queries Every Developer Should Know

#34 50 Advanced SQL Queries Every Developer Should Know

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7 min read
Oracle 23ai: Direct Joins for UPDATE and DELETE Statements

Oracle 23ai: Direct Joins for UPDATE and DELETE Statements

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1 min read
The Hidden Costs of GCP Data Engineering: Are Idle Resources Draining Your Budget?

The Hidden Costs of GCP Data Engineering: Are Idle Resources Draining Your Budget?

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2 min read
Fetch Values from Previous Non-Null Value Rows — From SQL to SPL #24

Fetch Values from Previous Non-Null Value Rows — From SQL to SPL #24

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3 min read
Understanding SQL Injection: What It Is and How to Protect Your Website

Understanding SQL Injection: What It Is and How to Protect Your Website

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7 min read
How to check the same status of data in each row within a group with esProc

How to check the same status of data in each row within a group with esProc

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2 min read
Exportar Connections do SQL Developer Para a extensĂŁo do Vscode

Exportar Connections do SQL Developer Para a extensĂŁo do Vscode

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1 min read
Thankful welcome from the.groov@gmail.com

Thankful welcome from the.groov@gmail.com

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1 min read
SQL Tutorial Made Easy: From Basics to Advanced Queries

SQL Tutorial Made Easy: From Basics to Advanced Queries

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3 min read
Stop Forcing Time Windows on Bursty User Behavior - Try This Instead

Stop Forcing Time Windows on Bursty User Behavior - Try This Instead

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4 min read
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