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Prep plan
Updated weekly · Last refresh Oct 17Didi Chuxing Data Engineer Interview Questions
The questions to prepare for a Didi Chuxing Data Engineer interview. Questions from real interview reports rank first. Updated daily.
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SQL & Data ManipulationStart here. 1 question + 2 drills · ~34 min
Consecutive Login Days SQLHard
Practice
Find each user's longest consecutive login streak by deduplicating login dates and identifying gaps between days.
Date FunctionsData ManipulationProblem Solving
Didi Chuxing
Didi ChuxingCohort Retention with SQLHard
Practice
Practice drillCompare monthly SparkBeyond user retention by cohort using CTEs, date arithmetic, aggregation, and LAG window functions.
Window FunctionsDate FunctionsAggregations
SparkBeyond
Booz AllenDidi Chuxing
SparkBeyondBooz AllenDidi ChuxingTop Cities by Ride GrowthMedium
Practice
Practice drillCalculate month-over-month ride growth by city using joins, CTEs, aggregation, and ranking.
Date FunctionsRankingAggregationsDidi Chuxing
Lyft
Didi ChuxingLyft2
Pipelines1 question · ~14 min
Star vs Snowflake SchemaEasy
Compare star and snowflake schemas in a warehouse pipeline, including structure and transformation trade-offs.
snowflake schemastar schemaData ModelingDidi Chuxing
Didi ChuxingSign up to see every question
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The finish line: interview-readyComplete all 2 questions plus 2 hands-on drills to finish this plan.