FALL 2026 / LEARN BY DOING
A place to
figure things out.
Run a query. Explore a dataset. Test an idea.
Your hands-on classroom starts here.
▤Database
Data
Information
Database
Management & Design
Ask better questions. Let the data answer.
Enter the classroom ↗▥Data
Visualization
Find the story. Make it visible.
Enter the classroom ↗⌘Information
Security
Understand systems. Learn to protect them.
Enter the classroom ↗YOUR CLASSROOM TOOLKIT
Choose how you want to work.
READ
SQL Guide
The explanations behind SQL: syntax, functions, summaries, JOINs, CASE, UNION and CTEs.
Read the guide ↗01SQL playground
Switch databases, explore tables, and answer your printed lab questions.
Open workspace ↗02SQL lessons
All 19 detailed lessons, with complete readings, worked examples, and 64 exercises.
Find a lesson ↗03Class challenges
Practice with 12 movie questions and check your query results.
Try a challenge ↗04Tables & cheat sheet
Table names, columns, data types, keys, join connections, and SQL syntax.
Open reference ↗