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Prep plan
Updated weekly · Last refresh Oct 12X
Xiaohongshu Data Engineer Interview Questions
The questions to prepare for a Xiaohongshu Data Engineer interview. Questions from real interview reports rank first. Updated daily.
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Data ManipulationStart here. 1 question + 1 drill · ~30 min
Advanced SQL Functions and WindowingMedium
Practice
Aggregate January transaction totals and rank categories using a window-function rewrite.
Data ManipulationGroup ByAggregationsXXiaohongshu
Window Function for Top DriversMedium
Practice
Practice drillUse aggregation and a window function to identify the top 10% of Bolt drivers by completed-ride earnings.
Window FunctionsData ManipulationGroup By
Bolt
Bolt2
Window Functions1 question · ~20 min
Rolling 30-Day Active Users SQLHard
Practice
Calculate trailing 30-day active users and rank regional engagement tiers with PostgreSQL aggregation and window functions.
Window FunctionssqlXXiaohongshu
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The finish line: interview-readyComplete all 2 questions plus 1 hands-on drill to finish this plan.