Courses
Practical courses built from seven years of enterprise data delivery.
Start here — free
No payment needed. This is the full junior foundation.
SQL from Zero
Never written a query? Never seen a database? Start here — 45 gentle minutes from "what even is SQL" to your first query.
4 lessons · 1h
SQL Fundamentals
Start from zero. Write your first real queries and build the habits the rest of the platform assumes.
14 lessons · 3h
Pro courses
Advanced SQL, window functions, modeling and more — see Pro.
Power BI & DAX Foundations
Build models that answer questions, not dashboards that just look busy.
5 lessons · 3h
Python for Analysts
The pandas you actually need — to clean, join, aggregate, and automate real analysis.
5 lessons · 3h
SQL for Data Analysts
Go beyond SELECT *. Learn the SQL patterns that power real enterprise reporting.
10 lessons · 5h
Statistics for Analysts
The stats every data analyst needs — and most SQL courses skip entirely.
5 lessons · 3h
Expert SQL for Analysts
The query layer, owned. Advanced windows, recursion, reshaping, performance, JSON — and a capstone that ties it together.
6 lessons · 2.7h