Top 21
Prep plan
Updated weekly · Last refresh Oct 17

Teknei Data Analyst Interview Questions

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

21questions
~3htotal time
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1
SQL & Data ManipulationStart here. 11 questions + 3 drills · ~118 min
Optimizing Slow PostgreSQL Production QueriesHard

Explain how to diagnose slow PostgreSQL queries in production and choose effective indexing strategies.

Performance Tuningindexesquery optimizationTeknei
Power BI Connectivity ModesMedium

Assesses your understanding of Power BI connectivity tradeoffs for performance and freshness.

power biTeknei
Pre-Dashboard Data Quality ChecksMedium

Tests your data validation workflow to prevent misleading dashboards.

Data Qualitydata validationTeknei
Scalable Power BI Data ModelsMedium

Tests your design practices for building scalable, maintainable Power BI models.

scalabilitypower biData ModelingTeknei
Microsoft Fabric in a Modern StackMedium

Assesses your ability to connect Fabric capabilities with an end-to-end analytics architecture.

integrationTeknei
SQL for Complex TransformationsMedium

Evaluates your practical SQL skills for transforming data into analysis-ready datasets.

complex queriessqlTeknei
Optimizing Power BI ModelsMedium
Practice
Practice drill

Identify the largest Power BI tables and their refresh impact using joins and aggregation.

database optimizationperformance optimizationdatabase managementAdobe
Power BI and SQL Under PressureMedium
Practice
Practice drill

Explain a structured approach to solving a complex SQL and Power BI problem under strict time constraints.

bi toolscomplex queriessqlTiger Analytics
Optimizing Slow SQL QueriesHard
Practice
Practice drill

Optimize a PostgreSQL transaction query that filters, aggregates, ranks, and returns top merchants efficiently on large tables.

Performance Tuningdatabase optimizationlarge datasetsSprinter HealthSentiLinkAutodesk
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2
Behavioral & Leadership9 questions · ~72 min
Automating a Manual Reporting ProcessMedium

Tests ownership and process improvement through Excel automation in a financial workflow, including stakeholder trust, accuracy, and measurable impact.

process improvementexcel functionsAutomationTeknei
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3
More topics1 question · ~8 min
The finish line: interview-readyComplete all 21 questions plus 3 hands-on drills to finish this plan.