How to Learn SQL the Right Way?

In this series, I covered the fundamental topics you need to understand before writing SQL queries effectively. If you've followed along from the beginning, you should now have a solid grasp of the basics and be ready to write SQL code in a structured and efficient way.

This article organizes all the previous posts in a structured manner, serving as a reference for you. Don't forget to save this article for future use! ??

Topics Covered in This Series:

?? Database Concepts – What are Databases and Their Types?

• Post 1: Introduction to Databases
• Post 2: Database Concepts Summary
• Post 3: SQL-Specific Database Concepts
• YouTube Video: Database Concepts Explained

?? What is RDBMS? – Relational vs. Non-Relational Databases

• Post: Understanding RDBMS
• YouTube Video: RDBMS Concepts

?? How to Design a Database – Logical Database Design

• Post on Keys: Understanding Database Keys
• Post on Foreign Keys: Foreign Key Explained
• Post on ERD: Entity-Relationship Diagram (ERD)
• Post on Indexes: Understanding Indexes
• Post on Data Types: SQL Data Types
• YouTube Crash Course: Database Design Course - Learn how to design and plan a database for beginners

?? Understanding Joins in SQL

• General Joins Overview: SQL Joins
• Inner Join: Inner Join Explained
• Left vs. Right Join: Comparing Left and Right Joins
• Full Join vs. Cross Join: Differences Between Full and Cross Joins

?? Understanding Relationships in Databases

• Post: Database Relationships
• YouTube Video: Relationships in PostgreSQL

?? Normalization – How to Keep Your Databases Organized

• Post 1: Introduction to Normalization
• Post 2: Normalization Levels
• Post 3: BCNF Normal Form
• YouTube Video: Normalization Explained

Recommended Learning Path:

• Start with MySQL – free, beginner-friendly, and widely used.
• Beginner Course: This is the best starting point, featuring a clear roadmap in the first video. The course is structured and easy to follow.?Watch here.
• Advanced Course: This playlist also includes a roadmap, making it highly organized. A great choice for those looking to advance their SQL skills.?Watch here.
• Window Functions Playlist: If you're specifically interested in mastering window functions, this playlist is highly recommended.?Watch here.
• Data Warehouse Project: A structured SQL-based Data Warehouse project. It's rare to find this topic explained in such an organized way.?Watch here.

This marks the end of this series. Let me know your thoughts and share your progress! ??