SQL for Everyone
Free Beginner course · 10 lessons · 2 weeks · Certificate on completion
Query any database with confidence. Joins, aggregations, window functions — taught with real datasets. Across 10 lessons you'll move from fundamentals to a portfolio-ready outcome — at your own pace, with quizzes after each lesson and a final exam to certify your mastery.
What you'll learn
- Tables, rows, and SELECT
- Filtering and sorting
- Aggregations and GROUP BY
- INNER, LEFT, and beyond
- Subqueries and CTEs
- Window functions
Skills you'll pick up
- Tables, rows, and SELECT
- Filtering and sorting
- Aggregations and GROUP BY
- INNER, LEFT, and beyond
- Subqueries and CTEs
- Window functions
Tools covered
- SQL
- Real-world projects
- Quizzes
- Final exam
Course modules
Module 1: Tables, rows, and SELECT
Module 1 of SQL for Everyone. 3 lessons · 3h
Module 2: Filtering and sorting
Module 2 of SQL for Everyone. 3 lessons · 3h
Module 3: Aggregations and GROUP BY
Module 3 of SQL for Everyone. 3 lessons · 3h
Module 4: INNER, LEFT, and beyond
Module 4 of SQL for Everyone. 1 lessons · 1h
Lessons in this course
- Tables, rows, and SELECT
- Filtering and sorting
- Aggregations and GROUP BY
- INNER, LEFT, and beyond
- Subqueries and CTEs
- Window functions
- Performance basics
- A real analytics challenge
- SQL: Deep dive 9
- SQL: Deep dive 10
Instructor
Liam O'Connor — Database Engineer
Liam O'Connor is a Database Engineer with years of hands-on experience teaching SQL to thousands of learners worldwide.
Certificate
Finish every lesson and pass the final exam to earn a free, verifiable Learnera certificate for SQL for Everyone. It can be downloaded as a PDF and shared on LinkedIn.
Career outcomes
Median global salary $130,000 per year · median India salary ₹18,00,000 per year · 220,281 open roles worldwide
- SQL Specialist
- Senior SQL Lead
- SQL Consultant
Frequently asked questions
Is the SQL for Everyone course free?
Yes. Every Learnera course, including SQL for Everyone, is completely free — lessons, quizzes, the final exam, and the certificate.
How long does SQL for Everyone take?
10 lessons, typically completed in 2 weeks at a comfortable pace.
Do I get a certificate?
Yes — pass the final exam and you receive a free, verifiable certificate you can share on LinkedIn.