Basic SQL Course
Build strong SQL foundations in this beginner-friendly course. Explore tables, data types, filtering, sorting, joins, grouping, aggregations, window functions, and optimisation techniques. Gain practical skills to analyse user data, sessions, revenue, and solve real-world tech challenges effectively across various environments.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
This course teaches essential SQL skills to query databases confidently. Learners master core concepts, data types, key commands, filtering, sorting, joins, grouping, HAVING clauses, advanced aggregations, window functions, performance tips, clean formatting, validation, and portable queries for production use.
Elevify advantages
Develop skills
- Master core SQL queries using SELECT, WHERE, ORDER BY on live datasets.
- Excel in joins to merge tables for precise business metrics.
- Handle aggregations and HAVING for KPIs with COUNT, SUM, AVG, and filters.
- Apply window functions for rankings, running totals, and top-N results quickly.
- Follow SQL best practices for formatting, testing, and delivering portable code.
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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