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The Lasalle Network Data Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 3 drills · ~62 min
Join vs Union in AnalyticsEasy

Explain how JOIN combines columns across related tables while UNION stacks rows from compatible queries in analytics workflows.

JoinsData WranglingUnionsThe Lasalle Network
Dashboard Design and DeliveryMedium

Tests dashboard design, SQL/data prep, and how you socialize insights with the team.

Data Wranglingdashboard designThe Lasalle Network
Visualization for Messy DataMedium

Tests practical data cleaning, transformation, and visualization choices under real-world messiness.

Data WranglingThe Lasalle Network
Top Facilities by Maintenance SpendMedium
Practice
Practice drill

Find the five facilities with the highest maintenance spend during the last 90 days.

Date FunctionsJoinsGroup ByThe Lasalle Network
Second Highest Salary at NovaTechEasy
Practice
Practice drill

Find the second highest distinct employee salary from a single table, returning NULL if it does not exist.

SubqueriesRankingAggregationsBest BuyAmtex SystemsC3 AI
SQL: Month-over-Month Service TrendsHard
Practice
Practice drill

Compare monthly request volume and completion rates by site, including month-over-month changes with LAG.

Window FunctionsLag/LeadDate FunctionsThe Lasalle Network
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2
Pipelines3 questions · ~24 min
ETL, SQL, Python, and TableauMedium

Evaluates your practical data engineering and analytics toolset.

ETLsqlpythonThe Lasalle Network
Data Quality for Space MetricsMedium

Tests your approach to validating, cleaning, and monitoring real estate space metrics.

Data Qualitydata integrityThe Lasalle Network
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3
Behavioral & Leadership22 questions · ~176 min
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4
More topics3 questions · ~24 min
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisThe Lasalle Network
Choose Charts for Business MetricsMedium

Tests product sense and your ability to map metrics to intuitive visuals for non-technical audiences.

CommunicationUser NeedsThe Lasalle Network
Identify Sqft Data IssuesMedium

Evaluates your approach to diagnosing metric inconsistencies and data problems.

Data QualityThe Lasalle Network

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