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Updated weekly · Last refresh Nov 1

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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SQL & Data ManipulationStart here. 38 questions + 2 drills · ~333 min

DAX Functions UsedEasy

Practice

Recently asked

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

daxanalytics toolsData Analysis

Adobe

Optimizing DAX PerformanceMedium

Recently asked

Tests your performance troubleshooting approach for complex DAX calculations.

daxperformance optimizationData Analysis

KPMG

Power BI, DAX, and SQLMedium

Recently asked

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

daxsqlpower bi

Hewlett Packard Enterprise | HPE

DAX Functions for Power BIMedium

Recently asked

Assesses your analytics-layer skills using DAX for reporting on transformed data.

daxpower bi

EXL Service

Optimizing Power BI ModelsMedium

Practice

Practice drill

Identify the largest Power BI tables and their refresh impact using joins and aggregation.

database optimizationperformance optimizationdatabase management

Adobe

Executive Dashboards in BI ToolsMedium

Practice

Practice drill

Build an executive dashboard result showing actual revenue, targets, variance, and attainment status by business unit and month.

analytics toolsCase Whendata visualization

Cardinal Health

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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 Modeling

Santander

Infosys

Explain Power BI FormulasHard

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

analyticsdaxKPIs

Microsoft

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 process

Deloitte

Optimizing Visuals, DAX, and SQLHard

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

dashboardsdaxDiagnosis

Deloitte

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Behavioral & Leadership6 questions · ~49 min

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