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

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Relationships in Databases: One-to-One, One-to-Many, and Many-to-Many

Relationships in Databases: One-to-One, One-to-Many, and Many-to-Many

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Creating Materialized Views in PostgreSQL for Faster Analytics

Creating Materialized Views in PostgreSQL for Faster Analytics

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2 min read
How to Optimize a Slow Query

How to Optimize a Slow Query

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2 min read
Ace Your SQL Interview with These Query Tips

Ace Your SQL Interview with These Query Tips

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1 min read
What is a Database? A Beginner’s Guide to Storing and Organizing Data

What is a Database? A Beginner’s Guide to Storing and Organizing Data

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2 min read
SQL Execution Order: What Really Happens Under the Hood

SQL Execution Order: What Really Happens Under the Hood

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3 min read
How to Optimize Search Queries in Large Databases with PostgreSQL and GIN Indexes

How to Optimize Search Queries in Large Databases with PostgreSQL and GIN Indexes

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4 min read
Normalization: How to Structure Your Database for Efficiency

Normalization: How to Structure Your Database for Efficiency

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2 min read
What are Transactions ?

What are Transactions ?

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🔍 Understanding Clustered vs Non-Clustered Indexes in SQL Server

🔍 Understanding Clustered vs Non-Clustered Indexes in SQL Server

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3 min read
Master SQL with These Handy Tools, Tips, and Tricks

Master SQL with These Handy Tools, Tips, and Tricks

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3 min read
GROUP BY in SQL: How to Aggregate and Analyze Data Efficiently

GROUP BY in SQL: How to Aggregate and Analyze Data Efficiently

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3 min read
⚙️ SQL Patterns for Optimizing IoT Queries in TimescaleDB

⚙️ SQL Patterns for Optimizing IoT Queries in TimescaleDB

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4 min read
The Ultimate SQL Tutorial for Beginners and Intermediate Learners

The Ultimate SQL Tutorial for Beginners and Intermediate Learners

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3 min read
PawSQL for Jetbrains - Optimize your SQL Queries within Jetbrains IDEs

PawSQL for Jetbrains - Optimize your SQL Queries within Jetbrains IDEs

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1 min read
PL/SQL na prática!

PL/SQL na prática!

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4 min read
Guide to ALTER TABLE in MySQL

Guide to ALTER TABLE in MySQL

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3 min read
Data Analysis of a Model Car Database Using MySQL Workbench

Data Analysis of a Model Car Database Using MySQL Workbench

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8 min read
Hibernate HQL builder

Hibernate HQL builder

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4 min read
Where SQL joins struggle but MongoDB documents shine

Where SQL joins struggle but MongoDB documents shine

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9 min read
How to Get the Raw SQL Query from Laravel Query Builder

How to Get the Raw SQL Query from Laravel Query Builder

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3 min read
Study Notes 5.4.1-3 Anatomy of a Spark Cluster GroupBy & Joins in Spark

Study Notes 5.4.1-3 Anatomy of a Spark Cluster GroupBy & Joins in Spark

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11 min read
Building an ELT Pipeline with Python and SQL Server: A Netflix Dataset Walkthrough

Building an ELT Pipeline with Python and SQL Server: A Netflix Dataset Walkthrough

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6 min read
The Life of a Query in SQL - It's More Dramatic Than You Think 😨

The Life of a Query in SQL - It's More Dramatic Than You Think 😨

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2 min read
One SQL Query That Could Destroy Your Entire Database (And How Hackers Use It)

One SQL Query That Could Destroy Your Entire Database (And How Hackers Use It)

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5 min read
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