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Interview questions
What is the difference between repartition and coalesce in Apache Spark?
What is the difference between SparkSession and SparkContext in Spark?
What is the difference between partitioning and bucketing in Spark, and when would you use bucketing?
What strategies can you use to handle skewed data in Spark?
What is the difference between Managed and External tables in Hive/Spark?
What is a window function? Explain with an example.
Explain the concept of checkpointing in Spark and why it is important.
Agile methodologies used?
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