SQL Crash Course
This course provides a rapid, hands-on introduction to SQL, focusing on practical skills for database design, querying, and analysis using real-world examples like online shops. It covers data insertion, SELECT statements, joins, aggregations, and database-specific tips for SQLite, MySQL, and PostgreSQL to build reliable reporting systems.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
SQL Crash Course gives you quick, practical experience with real-life data. Learn to add realistic test records, write accurate SELECT queries, filter by dates, and handle NULLs. Create tables with strong keys and constraints, design an online shop database, master joins, GROUP BY, and window functions, and use database-specific advice for SQLite, MySQL, and PostgreSQL to generate precise, dependable reports swiftly.
Elevify advantages
Develop skills
- Quick SQL data seeding: insert realistic test users, orders, and products fast.
- 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 workloadWhat 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
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