Arena
Pick a lifelike database, study its structure and work through a chain of questions. A right answer opens the next one.
University
Faculties, groups, students, teachers, subjects and grades. The kind of database a dean’s office uses every day.
facultiesstudy_groupsstudentsteacherssubjectsgrades
6 tables · 2,045 rows · 30 questions
Open databaseOnline store
Customers, products, orders and reviews. Every online store runs on a database like this one.
categoriesproductsreviewscustomersordersorder_items
6 tables · 2,375 rows · 30 questions
Open databaseTaxi service
Drivers, cars, riders, trips and payments. More than fifteen hundred rides across Tashkent.
driverscarstariffsriderstripspayments
6 tables · 3,413 rows · 30 questions
Open database