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Updated weekly · Last refresh Oct 17

Altice Data Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Common Excel Functions for Data CleanupEasy

Explain which Excel functions you use for cleaning, transforming, and validating data before SQL analysis.

PivotData WranglingAggregationsAltice
Optimizing Slow PostgreSQL Research QueriesMedium

Explain how you diagnosed and optimized a slow PostgreSQL query using execution plans, indexing, and query rewrites.

JoinsData WranglingAggregationsAltice
Ensuring SQL Data AccuracyEasy

Explain how to ensure data accuracy in SQL workflows using validation checks, reconciliation, and careful query design.

JoinsData WranglingQualityAltice
Handling Missing and Dirty SQL DataMedium

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

Data WranglingCase WhenQualityAltice
SQL Joins and GroupingMedium

Assesses SQL query-writing skills for data extraction and aggregation.

queriessqlAltice
SQL Self Joins and ExplodeMedium
Practice
Practice drill

Transform comma-separated employee tags, join employees to managers, and aggregate active direct reports by manager and tag.

pysparkaggregationJoinsTredence
Pivoting Data for ReportingMedium
Practice
Practice drill

Pivot product sales into monthly reporting columns with quarterly totals.

PivotJoinsData WranglingWorld Wide TechnologyNestlé USA
SQL to Flag Partner Count MismatchesMedium
Practice
Practice drill

Compare partner-reported and internal daily counts, then flag discrepancies and show the prior comparison status.

JoinsData WranglingCase WhenGoogle
2
Behavioral & Leadership5 questions · ~40 min
Data vs Stakeholder IntuitionMedium

Tests conflict resolution and influence when a candidate must defend data-driven recommendations against stakeholder intuition.

Influence Without AuthorityConflict ResolutionStakeholder ManagementAltice
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3
More topics2 questions · ~16 min
Critical Metrics for Product LaunchMedium

Choose the most important launch metrics, balancing early signals, long-term outcomes, and a clear KPI hierarchy.

KPIsConversion RateLeading IndicatorsAltice
Investigate User Engagement DeclineMedium

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement MetricsAltice

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