Inovalon Data Analyst Interview Questions

The questions to prepare for a Inovalon Data Analyst interview. Questions from real interview reports rank first. Updated daily.

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SQL & Data ManipulationStart here. 5 questions · ~48 min

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

Explain how FULL OUTER JOIN and LEFT JOIN differ when reconciling customer records across systems.

Find Duplicate Patient RecordsMedium

Practice

Use window functions to identify repeated patient records and retain later duplicate entries for clinical data review.

Window Functionsdata cleaningRanking

Inovalon

Rolling 30-Day Provider AverageMedium

Practice

Calculate each provider's rolling 30-day average claim amount using a date-based window.

Window FunctionsDate FunctionsData Manipulation

Inovalon

Optimize Slow Multi-Join QueryHard

Tests SQL performance tuning, query planning, and optimization strategies for large healthcare datasets.

SubqueriesJoinsperformance

Inovalon

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Behavioral & Leadership17 questions · ~164 min

Presenting Unwelcome Analytical FindingsMedium

Tests whether you can influence resistant non-technical stakeholders with clear, data-driven communication while preserving trust and ownership.

Influence Without AuthorityStakeholder ManagementCommunication

Inovalon

Handling Stressful SituationsMedium

Assesses your stress management and decision-making under pressure.

stress managementProblem Solving

Inovalon

Handling Prospective Customer IssuesMedium

Tests communication and problem-solving in customer-facing situations relevant to healthcare data insights.

challenges

Inovalon

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