Master SQL QueriesFrom Basic to Advanced
A structured course to master database querying - perfect for developers, data analysts, and anyone working with data.
Robin Wieruch
Author - Multiple best-selling books
Kamran has been in the educative space for a long time, and it shows in the way he teaches SQL: clear, structured, and straight to the point.
He breaks down SQL fundamentals in a way that's both intuitive and practical, helping you not just write queries, but truly understand how databases work.
Even if you've used SQL before, this course will fill in gaps you didn't even realize you had. Get ready to level up your database skills!
William Imoh
Founder and Data Enthusiast
I have been working with SQL and databases for a long time, I bought this course for the advanced chapters but ended up completing the entire course. I learned a lot of new things and it was well worth the investment.
No matter your SQL experience, this course is a must-have if you want to level up your SQL and data analysis skills. Highly recommended!
Tomáš Janků
Software Engineer
The course and it's interactivity is excellent and I'd honestly say it's one of the best on the SQL theme I've seen out there.
Gourav Khunger
Software Engineer
This course was absolutely brilliant! The integrated database environment to practice what I learned was the best part.
Meabed
CTO
Kamran has clearly put a lot of thought into this course. The content, structure and exercises were all great.
Mohsin Aheer
Sr. Software Engineer
I already knew SQL but this course taught me a bunch of new things. Practical examples and challenges were great. Highly recommended!
Reeve Tee
Software Engineer
I found the course highly comprehensive and incredibly valuable. I would love to see more courses like this!
Zeeshan
Sr. Software Engineer
Loved the teaching style and the way the course was structured. The AI tutor was a great help when I got stuck.
Adnan Ahmed
Engineering Manager
Having the integrated IDE made a huge difference. Being able to immediately practice what I learned was invaluable.
Kalvin Chakma
Jr. Software Engineer
Best SQL course I've taken. The progression from basic to advanced concepts is well thought out, and the challenges are excellent.
Faisal Ahsan
Software Engineer
The course and the learning experience was great. What I really liked was the no-fluff explanations and practical examples.
From your Instructor
"As someone who has worked extensively with databases throughout my career, I know firsthand how crucial SQL skills are. I've created this course to share the practical knowledge that has helped me build and scale data systems at various companies."
Kamran Ahmed
Founder roadmap.sh @kamrify
Built around a text-based interactive approach and packed with practical challenges, this course stands out with features that make it truly unique.
Oh, and you get the lifetime access to the course including all the future updates. Also, there is a certificate of completion which you can share with your potential employers.
The course is designed to help you go from SQL beginner to expert through hands-on practice with real-world scenarios, mastering everything from basic to complex queries.
1. Introduction
Get comfortable with database concepts and SQL fundamentals.
Lessons
Exercises
2. SQL Basics
Master the essential SQL query operations and syntax.
Lessons
Exercises
3. Manipulating Data
Learn how to modify and manipulate data in your database.
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Exercises
4. Defining Tables
Master database schema design and table management.
Lessons
Exercises
5. Multi-Table Queries
Learn to work with multiple tables using JOINs and relationships.
Lessons
Exercises
6. Aggregate Functions
Analyze and summarize data using SQL's powerful aggregation features.
Lessons
Exercises
7. Scalar Functions
Master built-in functions for data transformation and manipulation.
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Exercises
8. Subqueries and CTEs
Write complex queries using subqueries and common table expressions.
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Exercises
9. Window Functions
Advanced analytics and calculations using window functions.
Lessons
Exercises
I am Kamran Ahmed, an engineering leader with over a decade of experience in the tech industry. Throughout my career I have built and scaled software systems, architected complex data systems, and worked with large amounts of data to create efficient solutions.
I am also the creator of roadmap.sh, a platform trusted by millions of developers to guide their learning journeys. I love to simplify complex topics and make learning practical and accessible.
In this course, I will share everything I have learned about SQL from the basics to advanced concepts in a way that is easy to understand and apply. Whether you are just starting or looking to sharpen your skills, you are in the right place.
Find answers to common questions about the course below.
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