Beginner SQL Course
5/5
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.

5.0 in rating
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 got the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... I appreciate everything you do, I've already recommended you to others...

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

Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the supplementary videos really help with learning.

Giulio CarloPrompt Engineering Student
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