SQL Gym

Tutorial ▼

Level 1 - Basics SELECT, WHERE, ORDER BY

Level 2 - Filtering AND, OR, IN, BETWEEN, LIKE

Level 3 - Aggregation GROUP BY, HAVING, COUNT, SUM

Level 4 - Joins INNER, LEFT, RIGHT, FULL JOIN

Level 5 - Subqueries Nested queries, EXISTS, ANY

Level 6 - Advanced Window functions, CTEs

All Levels View complete tutorial

Challenges ▼

Python 12 coding challenges

SQL 16 database challenges

Pandas 16 data analysis challenges

Certifications ▼

Python (Basic) 15 questions • 90 min

Python (Intermediate) 20 questions • 90 min

SQL (Basic) 15 questions • 60 min

SQL (Intermediate) 20 questions • 90 min

Pandas (Basic) 15 questions • 60 min

All Certifications View all available tests

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