Back to the course
The Arena
Database design exams
Three medals, each harder than the last. Questions that make you think, and tasks where you work on real code.
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Bronze
Foundations
The first third of the course. Friendly questions and simple code to read, with no tricks.
- 12 questions
- 12 minutes
- Pass mark 70%
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Silver
Practitioner
The whole course at working depth: read real code, predict output, catch the common bugs.
- 16 questions
- 20 minutes
- Pass mark 80%
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Gold
Master
What a senior reviewer would ask: edge cases, traps and long traces. Hard and fair.
- 24 questions
- 35 minutes
- Pass mark 90%
Gold opens soon
How it works
- Every attempt is a fresh paper drawn from a larger pool, and the choices are shuffled.
- Answers are marked on the server. Nothing on this page knows them.
- Silver and Gold have a hard clock. After a miss you wait before the next try.
No name here yet
The first Gold pass writes the first name on this wall. It could be yours.