Exscientia Data Engineer Interview Questions
The questions to prepare for a Exscientia Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
ExscientiaExplain how SQL and NoSQL differ in schema, consistency, scaling, and Demandbase-style analytics use cases.
ExscientiaTests SQL performance tuning, indexing, and query optimization techniques.
ExscientiaAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
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Benjamin MooreCompute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.
ADPDesign a real-time pipeline for sensor events that transforms data and feeds a UI with low latency.
ExscientiaExplain what a data warehouse is and why it matters in analytics pipelines.
ExscientiaExplain how you improved a slow ETL pipeline on multi-terabyte data, including bottleneck analysis, tuning choices, and validation.
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Check whether a dataset contains duplicate entries using a hash set.
ExscientiaTests ability to design maintainable automation for data quality improvements.
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