Beginner SQL Course
5/5
This beginner SQL course equips you with essential querying skills for real-world data analysis, covering core SQL operations, joins, aggregation, and practical handling of dates and NULLs to build efficient and accurate queries.

5.0 in the evaluation
from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Beginner SQL Course gives you practical skills to query real subscription and payment data fast. You will learn SELECT, WHERE, ORDER BY, joins, and set operations, then move into GROUP BY, aggregates, and HAVING for powerful reporting. You also handle dates, NULLs, and open-ended subscriptions, plus defensive query design and testing so your SQL is accurate, efficient, and ready for everyday analytics.
Elevify advantages
Develop skills
- Write clean SELECT queries: shape, filter, and sort data with confidence.
- Master joins fast: combine tables with INNER, LEFT, RIGHT, and FULL JOINs.
- Analyze metrics quickly: aggregate with GROUP BY, HAVING, and core functions.
- Handle real-world dates and NULLs: fix messy CSV data in subscription tables.
- Build reliable SQL: test queries, avoid double-counting, and tune performance.
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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