Target Data Analyst Interview Questions
The questions to prepare for a Target Data Analyst interview. Questions from real interview reports rank first. Updated weekly.
Explain how RANK() and DENSE_RANK() handle ties differently in ordered SQL results such as leaderboards.
TargetExplain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.
TargetExplain how you diagnosed and optimized a slow PostgreSQL query using execution plans, indexing, and query rewrites.
TargetExplain how CTEs make complex PostgreSQL queries easier to read, debug, and maintain in reporting workflows.
TargetExplain SQL window functions and when to use ROW_NUMBER() versus DENSE_RANK() for ranked ticket analysis.
TargetTests your approach to data cleaning, deduplication logic, and ensuring reporting accuracy.
TargetRank 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
QuantcastCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
Gain Digital
TCS
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Tests communication of complex data to non-technical stakeholders, including clarity, stakeholder management, and actionable storytelling.
TargetTests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.
Target