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Updated weekly · Last refresh Oct 17

TransUnion Business Intelligence Analyst Interview Questions

The questions to prepare for a TransUnion Business Intelligence Analyst interview. Questions from real interview reports rank first. Updated daily.

30questions
~4htotal time
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1
SQL & Data ManipulationStart here. 12 questions + 3 drills · ~126 min
Handle Incomplete or Inconsistent DataEasy

Explain how to assess and clean incomplete or inconsistent data before analysis.

Data WranglingCase WhenQualityTransUnion
Validating Data Before ReportingEasy

Explain how to validate SQL data before reporting, including null checks, duplicates, outliers, and aggregation reconciliation.

JoinsData WranglingQualityTransUnion
Essential SQL FunctionsEasy

Assesses your practical SQL knowledge for extracting and transforming data efficiently.

efficiencydata extractionTransUnion
Choosing the Right VisualizationMedium

Tests your ability to select effective visualizations for BI metrics and stakeholder understanding.

Decision Makingdata visualizationTransUnion
Optimizing a Slow DashboardMedium

Evaluates your performance tuning skills across queries, models, and dashboard design.

Performance Tuningdata visualizationTransUnion
SQL Query OptimizationMedium
Practice
Practice drill

Optimize a slow PostgreSQL query that aggregates completed transactions while preserving customers with no matching activity.

Performance Tuningdatabase optimizationindexesDDroisysCapgeminiNomura
Inner Join vs Left JoinEasy
Practice
Practice drill

Use a LEFT JOIN to return every user, including users without an assignment, and distinguish unmatched rows from matched rows.

null handlingJoinssqlTransUnionThirdware SolutionAntra
Running Totals and Moving AveragesMedium
Practice
Practice drill

Calculate monthly credit utilization, running totals, and three-month moving averages for TransUnion customers.

Window FunctionssqlRunning TotalsTransUnionEquifaxCNA
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2
Behavioral & Leadership16 questions · ~128 min
Building Inclusive Team ParticipationEasy

Tests inclusive leadership through concrete actions, communication habits, and measurable team impact.

MentorshipCommunicationLeadershipTransUnion
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3
More topics2 questions · ~16 min
Critical Metrics for Product LaunchMedium

Choose the most important launch metrics, balancing early signals, long-term outcomes, and a clear KPI hierarchy.

KPIsConversion RateLeading IndicatorsTransUnion
Translating Vague Needs Into DashboardsMedium

Tests your product sense for converting stakeholder goals into clear dashboard requirements and outputs.

Stakeholder Managementdashboard designTransUnion

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