Top 18
Prep plan
Updated weekly · Last refresh Aug 30

Catalist Data Analyst Interview Questions

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

18questions
~2htotal time
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1
SQL & Data ManipulationStart here. 6 questions + 3 drills · ~78 min
Complex Joins Query WritingMedium

Tests SQL join proficiency and ability to retrieve targeted results from relational data.

Joinsquery optimizationCatalist
Readable, Documented SQL for ReviewEasy

Tests maintainability practices that support collaboration and review in analytics teams.

documentationCatalist
Optimizing Queries From ERDsMedium

Tests query optimization skills and understanding of relational modeling to improve performance.

query optimizationefficiencyData ModelingCatalist
Using Window Functions for RecencyMedium

Tests mastery of window functions and reasoning about ordering, partitioning, and recency logic.

Window FunctionsData AnalysissqlCatalist
Multiple Rows vs Aggregated ResultsMedium

Tests SQL result-shaping decisions and correct use of grouping and aggregation.

aggregationsqlCatalist
SQL and Query ExperienceMedium

Assesses SQL proficiency and ability to translate questions into effective queries.

queriessqlCatalist
Professor-Course Cross-Department QueryEasy
Practice
Practice drill

Use joins, inequality filtering, and DISTINCT to find professors teaching courses outside their departments.

JoinssqlCatalist
Employees Reporting to One ManagerEasy
Practice
Practice drill

Use a self-join to find all direct employees reporting to one Health Catalyst manager.

sqlHealth CatalystCatalistCatalyst Labs
SQL Joins and Conditional AggregationsHard
Practice
Practice drill

Use multiple joins and conditional aggregation to summarize completed, positive, and total outreach activity by Catalist campaign.

Joinssql queryAggregationsCatalist

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2
Behavioral & Leadership12 questions · ~96 min
On-the-Fly Prep for MeetingsMedium

Tests rapid preparation, prioritization, and confidence when presenting analytics in real time.

presentation skillsCommunicationCatalist
Handling Ambiguous Stakeholder RequestsHard

Tests requirements clarification, stakeholder management, and analytical problem framing under uncertainty.

Stakeholder ManagementCatalist
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The finish line: interview-readyComplete all 18 questions plus 3 hands-on drills to finish this plan.