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Nationwide Building Society Business Intelligence Analyst Interview Questions

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

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1
Behavioral & LeadershipStart here. 3 questions · ~24 min
Managing Competing PrioritiesMedium

Tests prioritization, resource allocation, stakeholder alignment, and ownership under competing demands.

accountabilitybehavioralresource managementNNationwide Building Society
Communicating Complex DataMedium

Tests audience analysis, data storytelling, and the ability to turn complex findings into an actionable message.

analytical skillsaudience analysispresentation skillsNNationwide Building Society
Influencing a Skeptical StakeholderMedium

Tests influence without authority when a stakeholder resists a data-driven recommendation, including conflict handling and outcome ownership.

Influence Without AuthorityStakeholder ManagementCommunicationNNationwide Building Society
2
More topics1 question · ~8 min
Explain SQL Join TypesEasy

Explain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.

JoinsData WranglingGroup ByNNationwide Building Society

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
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
Top Daily Rides by VehicleMedium
Practice
Practice drill

Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.

Window FunctionsJoinsData WranglingWaymoCruise
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
The finish line: interview-readyComplete all 4 questions plus 3 hands-on drills to finish this plan.