Top 21
Prep plan
Updated weekly · Last refresh Aug 30

Teknei Data Analyst Interview Questions

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

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
Complex SQL Optimization for Large DatasetsMedium

Tests advanced SQL optimization techniques for large-scale analytics workloads.

large datasetsTeknei
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
Top Users by Recent Transaction VolumeMedium
Practice
Practice drill

Find the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.

Data Analysisquery optimizationsqlTTier 1 BankRevolutChime
Top Content by Watch TimeMedium
Practice
Practice drill

Rank Disney+ Hotstar content by monthly watch time using aggregation, joins, and ROW_NUMBER().

Window FunctionsData Analysisquery optimizationDDisney+HotStar
Top Users by Region QueryMedium
Practice
Practice drill

Rank the top 10 ResMed myAir users in each region using joins, aggregation, and ROW_NUMBER().

Data AnalysissqlResmed
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2
Behavioral & Leadership9 questions · ~72 min
Explaining Analysis to Non-Technical StakeholdersEasy

Tests communication of complex data to non-technical stakeholders, including clarity, stakeholder management, and actionable storytelling.

Influence Without AuthorityStakeholder ManagementCommunicationTeknei
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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.