SQL Crash Course
This quick course provides hands-on SQL practice with real data, covering queries, joins, aggregations, and database design for efficient reporting in SQLite, MySQL, and PostgreSQL.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
SQL Quick Course gives you fast, practical practice with real-life data. Learn to put in realistic test records, write exact SELECT queries, filter by dates, and handle NULLs. Build tables with strong keys and constraints, design an online shop schema, master joins, GROUP BY, and window functions, and use engine-specific tips for SQLite, MySQL, and PostgreSQL to make accurate, reliable reports quickly.
Elevify advantages
Develop skills
- Fast SQL data seeding: insert realistic test users, orders, and products quickly.
- Core SELECT mastery: filter, sort, and slice data for real-world tech reports.
- Pro joins and subqueries: combine multiple tables for clean, accurate insights.
- Aggregations and window functions: compute KPIs, rankings, and sales summaries fast.
- Practical data modeling: design keys, constraints, and indexes for online stores.
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 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 extra videos really help with learning.

Giulio CarloPrompt Engineering Student
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