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Prep plan
Updated weekly · Last refresh Aug 30

Brooksource Data Analyst Interview Questions

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

13questions
~2htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 2 drills · ~65 min
Second-Highest Transaction Amount QueryMedium
Practice

Find the second-highest distinct transaction amount using a subquery in PostgreSQL without LIMIT.

SubqueriesRankingsalaryBrooksource
Handling Missing and Dirty SQL DataMedium

Explain how to profile, clean, and standardize missing or dirty data before analysis.

Data WranglingCase WhenQualityBrooksource
Validating Queries at ScaleMedium

Tests methods for ensuring query accuracy and data integrity at large scale.

performanceReconciliationdata integrityBrooksource
SQL Joins and Set OperationsMedium

Tests SQL correctness and ability to prevent join and set-operation errors that skew analytics.

Joinsdata integrityUnionsBrooksource
SQL Query ExperienceMedium

Assesses your practical SQL experience and familiarity with common query patterns.

queriesprojectssqlBrooksource
Rank Users With Window FunctionsEasy
Practice
Practice drill

Rank Brooksource users within each region by completed purchase spend using aggregation and the RANK window function.

Window FunctionsRankingGroup ByBrooksource
Running Total of Daily RevenueEasy
Practice
Practice drill

Calculate daily MORSE product revenue and chronological running totals with a CTE and window function.

Window FunctionsDate FunctionsRunning TotalsMORSEBrooksource

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2
Behavioral & Leadership8 questions · ~71 min
Adapting to a New ToolEasy

Tests learning agility and ownership when adopting unfamiliar tools or techniques under real project pressure.

learning agilityToolsadaptabilityBrooksource
Resume Project With Business ImpactEasy

Tests ownership and data-driven communication through a concrete example of analysis that led to measurable business impact.

impactresumesuccess storyBrooksource
Choosing Executive VisualizationsMedium

Tests judgment in selecting visualizations that communicate insights effectively to executives.

Communicationexecutive presencedata visualizationBrooksource
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The finish line: interview-readyComplete all 13 questions plus 2 hands-on drills to finish this plan.