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Llc. Business Analyst Interview Questions

The questions to prepare for a Llc. Business Analyst interview. Questions from real interview reports rank first. Updated weekly.

22questions
~3htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Handling Duplicates and Nulls in SQLEasy

Explain practical SQL approaches for identifying, removing, and preventing duplicates and NULL-related data quality issues.

Data WranglingGroup ByCase WhenLlc.
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 ByLlc.
Optimize Slow SQL QueryHard

Tests SQL performance troubleshooting, indexing and query plan reasoning on large-scale datasets.

SubqueriesJoinsperformanceLlc.
Use Window FunctionsMedium

Tests SQL proficiency with window functions and correct partitioning and ordering.

Window FunctionsRankingRunning TotalsLlc.
Excel and SQL ExperienceMedium

Evaluates practical tooling skills for analysis and reporting as a BA.

sqlExcelLlc.
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
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
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 WranglingWaymo
2
Behavioral & Leadership16 questions · ~128 min
Prioritizing Conflicting Cross-Functional DeadlinesMedium

Tests prioritization under pressure, stakeholder management, and decision-making when multiple teams compete for limited analyst capacity.

Conflict Resolutiontime managementPrioritizationLlc.
Translating Ambiguous Requirements for EngineersMedium

Tests how you turn unclear business needs into technical specs through structured communication, documentation, and stakeholder alignment.

enterprise architectureCommunicationtechnical specificationsLlc.
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3
More topics1 question · ~8 min
Investigate Metric DropMedium

Tests metrics diagnostics, hypothesis-driven analysis, and root-cause communication.

root causeKPIDiagnosisLlc.

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