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Adastra Group Consultant Interview Questions

The questions to prepare for a Adastra Group Consultant interview. Questions from real interview reports rank first. Updated weekly.

10questions
~1htotal time
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1
SQL & Data ManipulationStart here. 7 questions + 3 drills · ~86 min
SQL Favorite TypeEasy

Checks basic SQL familiarity and ability to discuss preferences and tradeoffs.

preferencessqlAAdastra Group
React and Virtual DOMMedium

Assesses front-end fundamentals and ability to explain technical concepts clearly.

reacttechnicalAAdastra Group
Data Quality ChallengeHard

Evaluates problem-solving and root-cause thinking for data quality issues.

Data QualityexperienceAAdastra Group
SQL and Big Data ToolingHard

Assesses breadth of data engineering and platform knowledge relevant to consulting delivery.

sqlAAdastra Group
SQL Basics: Joins and KeysEasy

Tests foundational SQL knowledge for data querying and modeling.

JoinssqlAAdastra Group
SQL Data Transfer VerificationHard

Assesses data integrity validation and reconciliation techniques after migration.

databasedata integrityAAdastra Group
SQL Window FunctionsMedium
Practice
Practice drill

Use LAG and LEAD to analyze Carvana vehicle detail page actions within completed web sessions.

Window FunctionssqlAAdastra GroupCarvana
Top Users by Recent Transaction VolumeMedium
Practice
Practice drill

Find the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.

Data Analysisquery optimizationsqlTTier 1 BankRevolutChime
SQL Duplicate Record DetectionEasy
Practice
Practice drill

Find duplicate American Institutes for Research assessment submissions using a CTE, GROUP BY, HAVING, and joins.

deduplicationsqldata integrityAmerican Institutes for ResearchMacy's
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2
More topics3 questions · ~24 min
Present Findings From Data TaskMedium

Assesses communication of data analysis results and validation approach.

Data AnalysisAAdastra Group
Discussing Your Biggest WeaknessesMedium

Assesses self-awareness and how you address development areas in a business analyst role.

weaknessesAAdastra Group
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The finish line: interview-readyComplete all 10 questions plus 3 hands-on drills to finish this plan.