Top 17
Prep plan
Updated weekly · Last refresh Oct 17
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Tesco Business Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 6 questions + 1 drill · ~66 min
Top-Performing Products QueryMedium
Practice

Rank Tesco products by Q2 revenue using a date-filtered join, aggregation, and RANK window function.

sqlperformance analysisTTesco
Handle Incomplete or Inconsistent DataEasy

Explain how to assess and clean incomplete or inconsistent data before analysis.

Data WranglingCase WhenQualityTTesco
Optimizing a Slow QueryMedium
Practice

Rewrite a slow PostgreSQL reporting query to reduce scanned rows, avoid join multiplication, and return accurate monthly site metrics.

Subqueriesdatabase optimizationJoinsTTesco
Validating Data Before ReportingEasy

Explain how to validate SQL data before reporting, including null checks, duplicates, outliers, and aggregation reconciliation.

JoinsData WranglingQualityTTesco
SQL and Python ExperienceMedium

Assesses your practical ability to use SQL and Python for analysis and reporting.

Data AnalysissqlpythonTTesco
Walk Through Your WorkHard

Evaluates how you explain logic, assumptions, and results during live technical discussion.

sqlpythonTTesco
Rolling 7-Day Average by RegionMedium
Practice
Practice drill

Calculate each product-region's rolling 7-day average sales using daily aggregation and calendar-aware windowing.

Window FunctionsDate FunctionsData ManipulationBayerCCoca-Cola Beverages Singaporeddm-drogerie markt
2
Behavioral & Leadership10 questions · ~94 min
Aligning Career Goals to RoleEasy

Tests self-awareness, career intentionality, and how clearly the candidate connects long-term growth to the role.

career goalsgoal settingmotivationTTesco
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3
More topics1 question · ~9 min
Investigating KPI DropsMedium

Assesses structured problem-solving and data-driven root-cause analysis for Tesco KPIs.

root cause analysisTTesco

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