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Updated weekly · Last refresh Aug 30

Fivetran Business Analyst Interview Questions

The questions to prepare for a Fivetran Business 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
Ranking Trial Results with Window FunctionsEasy

Explain how RANK(), DENSE_RANK(), and ROW_NUMBER() differ when ordering tied clinical trial results.

Window FunctionsRankingData WranglingFivetran
Optimize Slow SQL with CTEsHard

Tests query optimization techniques for complex SQL used in data analysis.

SubqueriesPerformance TuningCTEsFivetran
Deduplicate During Multi-Table JoinsMedium

Tests your approach to data quality and correctness in SQL joins.

null handlingJoinsdata validationFivetran
Latest Row Per GroupEasy
Practice
Practice drill

Use ROW_NUMBER and windowed COUNT to return the latest row from duplicate Fivetran sync record groups.

Window FunctionsRankingGroup ByFivetran
Calculate 30-Day User RetentionHard
Practice
Practice drill

Use CTEs, joins, and date filtering to calculate 30-day retention by signup cohort from login and feature usage data.

Window FunctionsDate FunctionsAggregationsCurefitReachMobiIndeed
Customer Transaction Running TotalsEasy
Practice
Practice drill

Calculate each customer's cumulative transaction amount over time using a CTE and window function.

Window FunctionsDate FunctionsRunning TotalsBanco SantanderAnzBank Of Tokyo-Mitsubishi UFJ
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2
Behavioral & Leadership6 questions · ~48 min
Messy Data Under Decision PressureMedium

Tests ownership and judgment when working through ambiguous, low-quality data to produce credible recommendations.

Data QualityProblem SolvingOwnershipFivetran
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3
More topics4 questions · ~32 min
Investigate Dashboard DropHard

Tests metrics investigation, hypothesis-driven debugging, and stakeholder communication.

DiagnosisdashboardingEngagement MetricsFivetran
Design Analysis for EngagementMedium

Tests product analytics design and how you translate goals into measurable experiments or analyses.

User Needsuser valueUse CasesFivetran
Estimate LTV with Variable UsageHard

Tests strategic modeling skills for forecasting value under usage volatility.

Business Modelunit economicscustomer lifetime valueFivetran
Connector Health MetricsMedium

Tests your ability to define operational and product metrics for Fivetran connector performance.

kpi hierarchyrollout metricspilot metricsFivetran

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The finish line: interview-readyComplete all 14 questions plus 3 hands-on drills to finish this plan.