Beginner SQL Course
Gain SQL mastery from basics using real subscription and payment data. Learn SELECT, JOINs, GROUP BY, dates, NULLs, and analytics techniques to solve business problems and excel in tech or data roles. This course builds practical skills for everyday data querying and reporting in Kenyan workplaces.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This beginner SQL course teaches practical querying of subscription and payment data. Cover SELECT, WHERE, ORDER BY, joins, set operations, GROUP BY, aggregates, HAVING for reporting, plus dates, NULLs, open subscriptions, and defensive design for accurate, efficient analytics.
Elevify advantages
Develop skills
- Write clean SELECT queries to shape, filter, and sort data confidently.
- Master joins quickly using INNER, LEFT, RIGHT, and FULL JOINs.
- Analyse metrics fast with GROUP BY, HAVING, and key functions.
- Manage real-world dates and NULLs to clean messy subscription data.
- Build reliable SQL by testing queries, preventing errors, and improving speed.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your lessons 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 I don't need.

Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, 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 with learning.

André FelipePrompt Engineering Student
FAQ
Who is Elevify? How does it work?
Do the courses have certificates?
Are the courses free?
What is the course workload?
What are the courses like?
How do the courses work?
What is the duration of the courses?
What is the cost or price of the courses?
What is an EAD or online course and how does it work?
PDF Course