intro To SQL Course
Gain mastery over SQL basics tailored for practical tech projects. Learn to design relational data models, craft secure and efficient queries, leverage indexes for better performance, and handle data modifications like inserts, updates, and deletes confidently to build scalable and dependable applications that meet real-world demands.

flexible workload of 4 to 360h
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, progress to subqueries, EXISTS clauses, and performance optimisation using indexes and EXPLAIN. Additionally, 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 precise SQL statements including CREATE TABLE, INSERT, UPDATE, and DELETE using best practices.
- Optimise query performance with indexes, EXPLAIN plans, and simple tuning techniques.
- Query data proficiently using SELECT, JOINs, filters, GROUP BY, and aggregation functions.
- Safeguard data integrity through constraints, soft deletes, and reliable backup strategies.
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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