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Top 50 data extraction Interview Questions

The most frequently asked data extraction questions across all roles and companies, ranked by real interview frequency. Updated daily.

50questions
~17htotal time
101companies covered
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1
JoinsStart here. 15 questions · ~300 min
SQL Query for Data ExtractionEasy
Practice
Recently asked

Extract qualifying market observations by venue and price, then return them in chronological order.

JoinsData ManipulationGroup ByEquifaxDPR ConstructionMITRE
Write a Basic SQL ExtractionEasy
Practice

Extract completed orders above a specified amount and return them in descending amount order.

JoinsData ManipulationData WranglingIncedoDatabricks
Basic SQL QueryEasy
Practice

Retrieve the Zynga company record from a database table using a precise filter.

JoinsData Wranglingdatabase queryingZynga
Extract Player DemographicsEasy
Practice

Extract each Zynga player's demographic attributes from the users table and return them in player ID order.

JoinsData ManipulationData WranglingZynga
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2
sql query6 questions · ~120 min
SQL Cohort Metrics QueryHard
Practice

Build monthly PlayStation Network cohort metrics using CTEs, joins, date functions, and conditional aggregation.

sql querydata extractionPlayStationTencent
SQL for Second Highest MarksEasy
Practice

Use DENSE_RANK and joins to find every student tied for the second-highest Yum Academy assessment score.

sql querydata extractionYum! BrandsCME Group
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3
Date Functions6 questions · ~120 min
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4
sql queries4 questions · ~80 min
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5
Subqueries3 questions · ~60 min
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6
More topics16 questions · ~320 min
Top 10 Students by GPA SQLEasy
Practice

Return the 10 highest-GPA students with deterministic ordering and null GPA exclusion.

RankingSortingdatabase queryingUniversity of UtahSyracuse University
Extract KPIs from Unstructured LogsMedium
Practice

Parse release log text and calculate event counts, error rates, average latency, and p95 latency per software release.

data parsingdata cleaningAggregationsApple
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