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Robert Half Data Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 3 drills · ~62 min
Comparing Join Types in ReportingEasy

Explain how INNER, LEFT, RIGHT, and FULL OUTER JOIN differ, especially in how they return matched and unmatched rows.

null handlingJoinsData WranglingRobert Half
NULLs in Aggregate MetricsEasy

Explain how PostgreSQL aggregate functions treat NULL values and when to use COALESCE to control results.

null handlingCase WhenAggregationsRobert Half
Relational Queries With CTEsMedium

Tests ability to write advanced SQL for relational data and reusable query logic.

Subqueriessql experienceCTEsRobert Half
Deduplicating Transaction RecordsMedium

Tests SQL skills for detecting and removing duplicates while preserving data integrity.

Reconciliationsqldata integrityRobert Half
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
Weekly Service KPI by TeamMedium
Practice
Practice drill

Analyze weekly service delivery performance by team using joins, a CTE, date aggregation, and KPI calculations.

KPIJoinssqlDeloitteReputation
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
2
Behavioral & Leadership22 questions · ~176 min
Resolving Data Quality Under PressureMedium

Tests ownership of data quality issues, risk communication to leadership, and stakeholder management under business pressure.

Data QualityCommunicationLeadershipRobert Half
Strength and Growth AreaEasy

Tests self-awareness, ownership, and growth mindset through specific examples of a professional strength and an actively managed weakness.

self assessmentfeedbackstrengthsRobert Half
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3
More topics2 questions · ~16 min
Executive Dashboard MetricsMedium

Tests dashboard design choices that drive executive decision-making.

KPIdashboardingRobert Half
Email Link Access for Registered UsersMedium

Evaluates your product thinking around user access flows and secure link handling.

Problem Solvinguser experienceRobert Half

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