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Updated weekly · Last refresh Nov 6B
Blackbuck Insights Data Engineer Interview Questions
The questions to prepare for a Blackbuck Insights Data Engineer interview. Questions from real interview reports rank first. Updated daily.
2questions
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SQL & Data ManipulationStart here. 1 question + 3 drills · ~38 min
Explain SQL Join TypesEasy
Explain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.
JoinsData WranglingGroup ByBBlackbuck Insights
Top Customers by Net SalesMedium
Practice
Practice drillCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
SubqueriesJoinsData Wrangling
Gain Digital
TCS
Zest AI
Gain DigitalTCSZest AITop Daily Rides by VehicleMedium
Practice
Practice drillRank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
Window FunctionsJoinsData Wrangling
Waymo
Cruise
WaymoCruiseSQL Basics for Data AnalysisEasy
Practice
Practice drillDemonstrate how SQL supports analysis by filtering records and summarizing positive measures by category.
JoinsData WranglingGroup By
EPAM Systems
Warner Bros.
EPAM SystemsWarner Bros.2
Behavioral & Leadership1 question · ~8 min
Walk me through your approach to an algorithmic problemMedium
Tests algorithmic thinking, structured communication, ambiguity handling, and ownership of the solution process.
Codingalgorithmic thinkingbehavioralBBlackbuck Insights
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The finish line: interview-readyComplete all 2 questions plus 3 hands-on drills to finish this plan.