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 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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