Free business intelligence lessons

Updated October 22, 2026 · By Robert Breen

3 free beginner lessons, about 32 minutes in all. Each one starts with a real business problem, works through it with real numbers and ends with a quick quiz.

Business Intelligence Fundamentals

◷What Is Business Intelligence? A Beginner’s Guide

What business intelligence is, what a BI tool does that a spreadsheet can’t, and a worked example: 1,200 order rows into one weekly sales dashboard.

Free ~8 min Beginner

◷Dimensions vs Measures in Tableau, With Examples

Dimensions vs measures with a sales table: which columns slice data, which get added up, why Tableau shows blue and green pills, and wrong-total traps.

Free ~9 min Beginner

Tableau Public for Beginners

◷Tableau Public Tutorial: Your First Chart and Dashboard

A beginner Tableau Public tutorial: connect a CSV, build a revenue-by-region bar chart, add a filter and put it on a dashboard. Free tool, sample data.

Free ~15 min

Business intelligence courses · The business intelligence glossary · Questions