Beginner SQL Course
Kickstart your SQL journey with hands-on practice on subscription and payment datasets. Gain expertise in SELECT statements, JOINs, GROUP BY, date handling, NULL management, and analytics techniques to solve business problems effectively and excel in data-driven roles across technology teams.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
This beginner SQL course teaches practical querying skills using real subscription and payment data. You will master SELECT, WHERE, ORDER BY, joins, set operations, GROUP BY, aggregates, HAVING for reporting, plus handling dates, NULLs, open-ended subscriptions, and defensive query design for accurate, efficient analytics.
Elevify advantages
Develop skills
- Write precise SELECT queries to shape, filter, and sort data confidently.
- Master table joins using INNER, LEFT, RIGHT, and FULL JOIN operations quickly.
- Analyse key metrics with GROUP BY, HAVING clauses, and essential aggregate functions.
- Manage dates and NULL values effectively to clean real-world subscription data.
- Develop robust SQL queries through testing, avoiding errors, and optimising performance.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content that I don't need.

Mariana FerresPhotography Student
I like the content and the way of presentation and video transcription, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos help a lot in learning.

André FelipePrompt Engineering Student
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