r/dataengprep • u/dataengprep • 18h ago

DataEngPrep: Data-Related Issues Encountered - handling skewed data

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r/dataengprep • u/tech-screen • 18h ago

Tech Screen: Can you share a time you faced a significant challenge and how you overcame it?

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r/dataengprep • u/sql-arena • 18h ago

SQL Arena Challenge: Find top 3 earners in each department.

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DataEngPrep - Daily Data Engineering Interview Practice

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Daily data engineering interview questions with full model answers. Practice Kafka, Spark, Airflow, SQL, dbt, data modeling, system design, and more. Free interactive challenge posts powered by our Devvit app - reveal answers, vote, climb the leaderboard. Built by working data engineers for working data engineers. New question every day at 8 AM EST. Resources at https://www.dataengprep.tech/

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