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Updated weekly · Last refresh Sep 13

Top 50 dax Interview Questions

The most frequently asked dax questions across all roles and companies, ranked by real interview frequency. Updated daily.

50questions
~7htotal time
42companies covered
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1
SQL & Data ManipulationStart here. 39 questions + 2 drills · ~341 min
DAX Functions UsedEasy
Practice

Identify DAX functions used across multiple projects and summarize their project coverage and latest usage.

daxanalytics toolsData AnalysisAdobe
Power BI, DAX, and SQLMedium
Recently asked

Assesses data analytics fundamentals across BI, DAX, and SQL.

daxsqlpower biHewlett Packard Enterprise | HPE
Power BI Transformations with DAXMedium
Recently asked

Evaluates your ability to transform data and create dynamic measures in Power BI.

daxAlten
Optimizing DAX PerformanceMedium
Recently asked

Tests your performance troubleshooting approach for complex DAX calculations.

daxperformance optimizationData AnalysisKPMG
SQL, Power BI, and Python BasicsMedium
Practice
Recently asked
Practice drill

Calculate completed order totals per customer using a join, aggregation, NULL handling, and spending classification.

JoinsCase WhensqlAccenture
Consecutive Activity Days QueryMedium
Practice
Practice drill

Identify each user's consecutive website activity streaks using date arithmetic and SQL window functions.

Window FunctionsDate FunctionsData ManipulationIntuit Management ConsultancyChewyAllstate
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2
Metrics5 questions · ~41 min
Calculated Columns vs DAX MeasuresMedium
Recently asked

Explain how calculated columns and DAX measures differ, and when each is the right choice for KPI reporting and analysis.

daxKPIData ModelingSantanderInfosys
Explain Power BI FormulasHard

Explain how a reported result was derived and identify the Power BI DAX formula used to calculate it.

analyticsdaxKPIsMicrosoft
Slow Dashboard Slicers and FiltersHard

Identify whether dashboard filter latency comes from the model, DAX, data source, or rendering layer, then propose a practical fix.

dashboardsdaxdiagnostic processDeloitte
Optimizing Visuals, DAX, and SQLHard

Diagnose slow bar and line chart loading by separating visual, DAX, and SQL performance causes.

dashboardsdaxDiagnosisDeloitte
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3
Behavioral & Leadership5 questions · ~41 min
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4
More topics1 question · ~8 min
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.