Intro To SQL Course
Gain mastery over SQL basics tailored for practical tech projects in Kenya. Learn to design relational data models, craft secure and efficient queries, leverage indexes for speed, and handle data modifications confidently to build scalable and dependable applications that meet real-world demands.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course equips you with essential skills to query and manage relational databases effectively. You will master SELECT statements, filtering, sorting, aggregation, and joins, then advance to subqueries, EXISTS clauses, and performance optimisation using indexes and EXPLAIN. Additionally, you will learn to design tables, set up keys and constraints, and implement secure INSERT, UPDATE, DELETE operations along with transaction management for robust data handling in production environments.
Elevify advantages
Develop skills
- Design relational database schemas by modelling tables, keys, and constraints efficiently.
- Write reliable SQL code including CREATE TABLE, INSERT, UPDATE, and DELETE with best practices.
- Optimise query performance using indexes, EXPLAIN plans, and simple tuning techniques.
- Query data proficiently with SELECT, JOINs, filters, GROUP BY, and aggregation functions.
- Safeguard data integrity through constraints, soft deletes, and backup-conscious procedures.
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