SQL Basics Course
4.9/5
This course provides foundational SQL skills for querying relational databases, covering SELECT statements, filtering, joins, aggregation, and best practices for cross-platform compatibility.

4.9 in rating
flexible workload from 4 to 360h
valid certificate in your country
What will I learn?
The SQL Basics Course equips you with hands-on skills to query actual relational databases quickly. You'll grasp the essentials of SELECT, filtering, sorting, and pagination, then advance to joins between various tables, keys, and data types. You'll practise key analytics methods using aggregates, GROUP BY, and HAVING, and wrap up with top tips for writing clear, adaptable, and easy-to-troubleshoot SQL that works across common database platforms.
Elevify advantages
Develop skills
- Master SELECT queries: extract exact data swiftly from any relational database.
- Filter, sort, and paginate results: create neat, ready-for-use SQL reports.
- Join multiple tables: merge user, course, and enrolment data with assurance.
- Aggregate data with GROUP BY: calculate KPIs and analytics in a handful of straightforward queries.
- Write adaptable, troubleshootable SQL: tidy style that operates on MySQL, Postgres, SQLite.
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 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 extra videos really help with learning.

Giulio CarloPrompt Engineering Student
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