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Prep plan
Updated weekly · Last refresh Oct 17

Forvis Mazars Group Data Engineer Interview Questions

The questions to prepare for a Forvis Mazars Group Data Engineer interview. Questions from real interview reports rank first. Updated daily.

26questions
~4htotal time
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1
SQL & Data ManipulationStart here. 11 questions + 2 drills · ~116 min
Clustered vs Non-Clustered IndexesMedium

Explain how clustered and non-clustered indexes differ in storage, lookup behavior, and query performance.

JoinsData WranglingForvis Mazars Group
Top Clients Per RegionEasy
Practice

Rank the three highest-billing clients in each region using joins, aggregation, date filtering, and ROW_NUMBER().

JoinsGroup ByAggregationsForvis Mazars Group
Window Functions for AnalyticsMedium

Tests advanced SQL analytics capabilities and correct partitioning and ordering.

Window FunctionsRankingRunning TotalsForvis Mazars Group
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Debugging SQL QueriesMedium
Practice
Practice drill

Use PostgreSQL query execution and validation data to identify failed queries and suspicious result checks.

SubqueriesJoinsData WranglingScopely
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2
Pipelines10 questions · ~87 min
Cleaning Missing Values in PipelinesEasy

Approach for handling missing values in a pipeline with data quality checks and repeatable transformations.

Data WranglingETLQualityForvis Mazars Group
Explain Using Azure Data FactoryMedium

Assesses your understanding of Azure Data Factory and how you apply it in data pipeline work.

Forvis Mazars Group
Missing Values in Financial DataMedium

Tests data quality handling strategies for large-scale financial datasets.

ETLData ModelingQualityForvis Mazars Group
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3
Coding5 questions · ~43 min
Explore a Dataset in PandasMedium

Evaluates your ability to perform practical data exploration and analysis using pandas.

pandasData AnalysisForvis Mazars Group
Optimize Out-of-Memory PandasHard

Tests performance troubleshooting and memory optimization for large-scale data work.

ArraysGreedyMatrixForvis Mazars Group
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The finish line: interview-readyComplete all 26 questions plus 2 hands-on drills to finish this plan.