Adastra Group Interview Questions
The questions to prepare for Adastra Group interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Calculate three-day campaign spend moving averages for active Adastra Group campaigns using a CTE and window function.
Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.
Benjamin Moore
Commonwealth Bank of Australia
Abercrombie and FitchUse joins, CTEs, and CASE logic to flag and fill missing financial fields for Qlik planning records.
QlikApproach for maintaining data quality and integrity across ETL pipelines.
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Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.
Explain the four core OOP principles and how they improve software design and maintainability.
Explain what statistical significance means and why it matters when interpreting experimental or analytical results.
Define a success metric for a new feature that captures real user value, not just raw usage.
Tests motivation and your ability to articulate a clear fit for the Research Analyst role.