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Updated weekly · Last refresh Oct 17

Walmart Data Analyst Interview Questions

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

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~2htotal time
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1
PipelinesStart here. 4 questions · ~35 min
Handling Missing Values and OutliersMedium

Assesses practical data-wrangling skills and robust handling of imperfect data.

missing valuesData ManipulationWalmart
Ensuring Data Quality at ScaleMedium

Evaluates data quality practices, validation, and reliability controls for analytics consumers.

Data QualityWalmart
End-to-End Analytics Project WalkthroughHard

Tests end-to-end execution from discovery to communication with stakeholders.

data visualizationWalmart
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2
Behavioral & Leadership7 questions · ~61 min
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3
More topics5 questions · ~44 min
Advanced SQL With Windows and JoinsHard
Practice

Rank product categories by net sales using multiple joins, CTEs, and window functions.

Window FunctionsJoinssql queryWalmart
Sizing Markets and Logistics SavingsHard

Evaluates analytical modeling approach for market sizing and operational cost impact.

logisticsMarket SizingWalmart
Diagnosing Conflicting KPI TrendsMedium

Tests root-cause analysis when KPIs disagree and ability to validate hypotheses.

KPIsroot cause analysisWalmart
SQL Performance OptimizationMedium

Assesses query tuning skills and performance troubleshooting for large-scale data.

large datasetsquery optimizationWalmart
Investigating User or Transaction DropsMedium

Assesses diagnostic thinking and analytics approach for sudden metric declines at Walmart scale.

transaction volumeWalmart

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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
SQL for Weekly Inventory TurnoverMedium
Practice
Practice drill

Calculate weekly store inventory turnover and rank stores within each Walmart region using CTEs, joins, aggregation, and RANK.

Window FunctionsJoinsRankingWalmart
SQL: Store Performance and MarginHard
Practice
Practice drill

Join CVS store, sales, and inventory data to calculate margin, rank stores, and flag underperforming locations.

JoinsGroup ByAggregationsCVS HealthDICK'S Sporting GoodsWalmart
The finish line: interview-readyComplete all 16 questions plus 2 hands-on drills to finish this plan.