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Updated weekly · Last refresh Aug 30

Carilion Clinic Data Analyst Interview Questions

The questions to prepare for a Carilion Clinic Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

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1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Understanding Common Table Expressions (CTEs)Medium

Explain what CTEs are and their advantages in SQL queries.

CTEsCarilion Clinic
Customer Orders: LEFT vs INNER JOINEasy

Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.

JoinsData WranglingGroup ByCarilion Clinic
Handling NULLs in AggregationsMedium

Tests your understanding of SQL NULL semantics and correct aggregation logic.

sql basicsnull handlingAggregationsCarilion Clinic
Query for Patient TrendsMedium

Tests your ability to design SQL queries for time-based analytics in a healthcare setting.

Data AnalysisCarilion Clinic
Using LEFT vs INNER JoinMedium

Evaluates your SQL join knowledge and ability to choose the right join for the data question.

sqlCarilion Clinic
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
Find Spending Variance Drivers by DepartmentHard
Practice
Practice drill

Use joins and LAG to isolate departments driving a large month-over-month spending variance.

JoinsData WranglingGroup ByState of CaliforniaUniversity of ChicagoThe Church of Jesus Christ of Latter-day Saints
Unify CRM and Google Analytics ViewHard
Practice
Practice drill

Merge CRM orders with GA events via an identity map to build a customer-level view using joins, window functions, and monthly rollups.

SubqueriesJoinsData WranglingArtefact

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2
Behavioral & Leadership7 questions · ~56 min
Simplifying a Complex Technical TopicMedium

Tests whether you can translate technical complexity into clear, audience-appropriate documentation that drives understanding and action.

Influence Without AuthorityCommunicationOwnershipCarilion Clinic
Prioritizing Competing Data RequestsMedium

Tests prioritization under pressure in a data engineering context, including stakeholder management, trade-off decisions, and ownership of outcomes.

Decision MakingStakeholder ManagementPrioritizationCarilion Clinic
Using Tough Feedback to ImproveEasy

Tests coachability, self-awareness, and whether you can turn feedback into concrete, measurable improvement.

self assessmentresiliencefeedbackCarilion Clinic
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The finish line: interview-readyComplete all 12 questions plus 3 hands-on drills to finish this plan.