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New Interview Questions: June 2026

Questions added to the Dataford question bank in June 2026, ranked by how often they are asked in real interviews.

100questions
~24htotal time
5,825companies covered
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1
SQL & Data ManipulationStart here. 23 questions · ~337 min
Top Customers by Sales RevenueEasy
Practice
Recently asked

Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.

RankingGroup ByAggregationsMastekSageThornburg Investment
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2
Coding23 questions · ~337 min
O(1) Insert Delete Random SetMedium
Practice
Recently asked

Implement a set-like structure using an array and hash map to support insert, delete, and random access in average O(1) time.

Hash TablesArraysData StructuresCastleton Commodities InternationalStackadaptSamsung Electronics
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3
Pipelines4 questions · ~59 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityClarify Health SolutionsColonial Life & Accident InsuranceBooking
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4
Execution23 questions · ~337 min
Prioritize Work Under Tight DeadlinesEasy
Recently asked

Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.

Trade-offsRoadmappingScope ManagementDaley And AssociatesThirdware SolutioniCapital
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5
Metrics12 questions · ~176 min
Measure Marketing Campaign SuccessEasy
Recently asked

Define campaign success using business KPIs, funnel conversion, acquisition cost, and leading indicators tied to outcomes.

Funnel AnalysisKPIsLeading IndicatorsBrexBastian SolutionsDyneti Technologies
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6
Product Sense5 questions · ~73 min
Approach User Research in DesignEasy
Recently asked

Explain a practical approach to user research in the design process, from understanding user needs to turning findings into design decisions.

Jobs to Be DoneUser ResearchUser NeedsOCLCDyneti TechnologiesEchostar
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7
More topics10 questions · ~147 min
Common Pitfalls in Experiment ResultsHard
Recently asked

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchFifth ThirdNeptune Technology GroupSage
Develop a New Market GTM StrategyEasy
Recently asked

Approach for building a go-to-market strategy for a new market or solution.

Competitive AnalysisGo-to-MarketGrowth StrategyLexisNexis Legal & ProfessionalAkamaiWish
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