Battle-tested 45-minute SQL interview benchmark calibrated to the Round 1 screening bars of Amazon, Google, Meta, Uber, and Microsoft. Tests complex window functions (DENSE_RANK, LEAD/LAG), gaps-and-islands sessionization, MRR waterfall modeling, and multi-CTE category aggregations.
45 min
4
75%
-
This test will run in full-screen mode with a timer
Tip: connect your ChatGPT account before starting — the in-test interviewer and post-test debrief run on your plan, and connecting mid-test pauses the timer.
Unlimited attempts included — each new attempt pulls a fresh set of questions.
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