Tekion Data Engineer Interview Questions
The questions to prepare for a Tekion Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Find distinct course codes shared by two arrays using a hash set while preserving the first array's order.
TekionDetect whether a directed dependency graph of startup tasks contains a cycle using DFS or topological ordering.
TekionEvaluates algorithm design and implementation for trading order matching.
TekionHow to choose between row-oriented and column-oriented formats across different stages of a data pipeline.
TekionDiscuss a large-scale data analysis project with focus on the pipeline, tooling, and data quality approach.
TekionApproach for detecting and mitigating skew in PySpark pipelines using partitioning, join strategies, and runtime monitoring.
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Explain how to diagnose and optimize a slow PostgreSQL query on large customer datasets.
TekionExplain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.
TekionUse joins, aggregation, CTEs, ranking, and CASE logic to summarize customer sales by region.
Walmart Global TechAggregate completed PlayStation Store purchases and return accounts with at least two qualifying purchases.
PlayStation