the LEGO Group Data Engineer Interview Questions
The questions to prepare for a the LEGO Group Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Use a CTE, aggregation, and joins to find conflicting LEGO inventory snapshots reported by multiple warehouses.
the LEGO GroupExplain SQL window functions and when to use ROW_NUMBER() versus DENSE_RANK() for ranked ticket analysis.
the LEGO GroupEvaluates SQL performance tuning for large-scale datasets.
the LEGO GroupWrite a query to identify the top three selling product categories for each region in the last fiscal quarter. Assume fiscal quarters align with calendar ...
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Walmart Global TechJoin LEGO store data to find locations with declining revenue, low stock, and current staffing levels.
the LEGO GroupDesign a cloud-native batch ETL platform on AWS or Azure for 2.5 TB/day of mixed-source data with orchestration, quality checks, and incremental loads.
the LEGO GroupDesign a Databricks Delta pipeline that detects and mitigates Spark data skew in large joins and aggregations while meeting a 20-minute hourly SLA.
the LEGO GroupBuild and maintain a reporting model for dashboards using dimensional design, ELT, data quality checks, and scheduled transformations.
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Evaluates your software engineering practices for maintainable, testable ETL and validation logic.
the LEGO GroupAssesses your engineering approach to creating reusable building blocks for ETL systems.
the LEGO Group