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Google Cloud Data Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 3 drills · ~63 min
Customer Orders: LEFT vs INNER JOINEasy

Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.

JoinsData WranglingGroup ByGoogle Cloud
Handle Duplicates and Missing ValuesMedium

Tests data quality troubleshooting and practical handling of duplicates and missingness in large logs.

null handlingData Wranglingdata integrityGoogle Cloud
Top Customers SQL QueryEasy
Practice
Practice drill

Aggregate customer sales volume and return Pyramid Consulting's top 10 customers in descending order.

RankingGroup ByAggregationsPyramid ConsultingBNYCambia Health Solutions
7-Day Rolling Active UsersMedium
Practice
Practice drill

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsMetaSpotifyMeta IT
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
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2
Metrics3 questions · ~25 min
Investigate a Sudden Metric DropMedium

Tests structured incident-style analysis for metric drops and root-cause investigation.

KPILeading IndicatorsDiagnosisGoogle Cloud
Database Service Health and Adoption MetricsMedium

Tests metric selection for product health and adoption, including leading and lagging indicators.

adoptionKPIEngagement MetricsGoogle Cloud
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3
Behavioral & Leadership7 questions · ~58 min
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4
More topics4 questions · ~33 min
Explaining P Values ClearlyEasy

Explain what a p-value means, how it relates to statistical significance, and how to describe it clearly to non-technical stakeholders.

CommunicationStatistical SignificanceP-ValuesGoogle Cloud
A/B Test for Onboarding ActivationMedium

Tests experiment design, metric definition, and validity considerations for product changes.

experiment designSample SizeActivationGoogle Cloud
Weighted Averages for Skewed DataMedium

Tests statistical reasoning for weighted averages and interpreting results on skewed usage data.

SamplingBiasGoogle Cloud
A/B Test for EngagementHard

Tests experimental design and analysis skills for measuring user engagement changes.

user engagementA/B TestingGoogle Cloud

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