📄️ 1. What is a Database?
Understand the core concept of databases and why they are the backbone of every modern application.
📄️ 2. SQL vs. NoSQL
Compare Relational (SQL) and Non-Relational (NoSQL) databases to choose the best fit for your project.
📄️ 3. Relational Basics
Learn the fundamental building blocks of a Relational Database—Tables, Rows, Columns, and Schema.
📄️ 4. Keys & Relationships
Understand how to uniquely identify records and link different tables together using Primary and Foreign keys.
📄️ 5. Normalization
Learn how to organize your database tables to reduce redundancy and improve data integrity.
📄️ 6. Database Migrations
Learn how to manage changes to your database schema safely and consistently across your entire team.
📄️ 7. Indexes & Performance
Learn how to make your database queries 100x faster by using Indexes and avoiding common performance traps.
📄️ 8. ORMs
Learn how to interact with your database using the programming language you already know.
📄️ 9. ACID Properties
Learn the four key properties—Atomicity, Consistency, Isolation, and Durability—that guarantee database reliability.
📄️ 10. Transactions
Learn how to group multiple SQL operations into a single, safe unit of work using Transactions.
📄️ 11. N+1 Problem
Learn how to identify and fix the N+1 query problem to prevent your database from slowing down as your data grows.