Learn PostgreSQL 🐘

This repository is my personal practice space for learning PostgreSQL — from creating tables and relationships to writing queries using JOIN, GROUP BY, MAX, and more.

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📚 What I’m Learning

• 🧱 Creating tables and defining data types
• 🔗 Setting up relationships with FOREIGN KEY
• 🧮 Using aggregate functions like MAX, COUNT, and SUM
• 🤝 Joining multiple tables (INNER JOIN, LEFT JOIN, etc.)
• 📆 Working with dates and numerical data
• 🧠 Writing queries to extract meaningful insights