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Uber Interview Problems (45)

Problems reported from Uber data science interviews

Status Title Difficulty
Recursion vs Iteration Pro Medium
ROW_NUMBER for Pagination Pro Medium
Search in Rotated Sorted Array Pro Medium
Self Join to Find Employee Pairs in Same Department Pro Medium
SQL vs NoSQL Trade-offs Pro Medium
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Statistical Power Pro Medium
Unmatched Records: Orders Without Customers Pro Medium
Attribution Modeling Pro Hard
Concurrency: Race Conditions Pro Hard
Hierarchical Self Join for Org Chart Pro Hard
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Join with Aggregation and Filtering Pro Hard
LAG and LEAD for Sequential Comparison Pro Hard
Merge K Sorted Lists Pro Hard
Moving Average with Window Frame Pro Hard
North Star Metric Selection Pro Hard
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PERCENT_RANK for Distribution Analysis Pro Hard
Permutation Test Mechanics Pro Hard
Time Series Resample Pro Hard
Top Earning Product in Each Category Using Subquery Pro Hard
Windowed Aggregation Pro Hard
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