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Updated weekly · Last refresh Oct 23

Llc. Business Analyst Interview Questions

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

23questions
~3htotal time
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1
SQL & Data ManipulationStart here. 6 questions + 2 drills · ~71 min
Use Window FunctionsMedium
Practice

Demonstrate window functions by ranking active employees by salary within each department.

Window FunctionsData ManipulationRankingLlc.
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.
Describing SQL Experience EffectivelyEasy

Explain your SQL experience with concrete examples of queries, data tasks, and business impact from past roles.

JoinsGroup ByAggregationsLlc.
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.
Excel and SQL ExperienceMedium

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

sqlExcelLlc.
Optimize Slow SQL QueryHard

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

SubqueriesJoinsperformanceLlc.
SQL and Data ManipulationMedium
Practice
Practice drill

Aggregate qualifying customer orders and classify customers by total completed spend.

JoinsData ManipulationsqlImpetusFlywireLlc.
SQL for Underperforming NodesMedium
Practice
Practice drill

Identify the slowest 10% of nodes using average transaction latency and deterministic ranking.

Data Manipulationsql querycomplex queriesLlc.
2
Behavioral & Leadership16 questions · ~136 min
Connecting Your Background to ImpactEasy

Tests whether you can communicate your background clearly, show ownership, and connect past work to concrete impact.

Stakeholder ManagementCommunicationOwnershipLlc.
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3
More topics1 question · ~9 min
Investigate Metric DropMedium

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

root causeKPIDiagnosisLlc.

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