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Cardinal Health Data Engineer Interview Questions

The questions to prepare for a Cardinal Health Data Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 1 question + 3 drills · ~38 min
Advanced SQL on GCPHard

Evaluates your ability to write advanced SQL and apply it effectively on GCP.

sqlCardinal Health
Investigate Inventory Below ThresholdHard
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Practice drill

Use CTEs, joins, aggregation, and LAG to detect Cardinal Health products falling below seven-day stock thresholds.

Date FunctionsJoinsAggregationsCardinal Health
Optimize SQL QueriesMedium
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Practice drill

Optimize a PostgreSQL aggregation query by filtering early, reducing rows before joins, and returning qualifying active customers.

database optimizationperformanceindexesSofteamSSoftware Medical InformaticsGlassdoor
Optimize Slow SQL at ScaleHard
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Practice drill

Optimize a PostgreSQL query that aggregates millions of Uber rides and ranks active drivers by city.

database optimizationlarge datasetsperformanceUber
2
Behavioral & Leadership2 questions · ~16 min
Building a Dashboard Users AdoptedMedium

Tests stakeholder management, requirements gathering, and ownership in delivering a dashboard that meets user needs and drives adoption.

Stakeholder ManagementCommunicationdashboardingCardinal Health
Handling Performance QuestionsMedium

Assesses your approach to diagnosing and improving data performance.

performanceCardinal Health

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The finish line: interview-readyComplete all 3 questions plus 3 hands-on drills to finish this plan.