T-Mobile Data Analyst Interview Questions
The questions to prepare for a T-Mobile Data Analyst interview. Questions from real interview reports rank first. Updated weekly.
Explain the differences between WHERE and HAVING clauses in SQL and when to use each.
T-MobileExplain how LAG and LEAD compare current rows to previous or next periods in time-series SQL analysis.
T-MobileFind duplicate customer profiles by grouping on identifying fields and returning only repeated records.
Adtalem Global Education
Amerisave Mortgage
Citrine InformaticsRank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
WaymoUse ROW_NUMBER() to keep the earliest created_at 'Repl created' per entity and return out-of-order duplicates to delete.
Replit
QuantcastApproach for maintaining data quality and integrity across ETL pipelines.
T-MobileTests performance optimization for analytics dashboards with high-volume, real-time data.
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Design a product experience that helps analytics users create visualizations with clear takeaways, not just charts.
T-MobileTests your familiarity with BI tooling and how you apply it in analytics workflows.
T-MobileChoose a focused KPI set for a new dashboard by tying metrics to product value, business goals, and leading versus lagging signals.
T-MobileTests your ability to connect analysis outputs to measurable business outcomes.
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