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Open Access Technology India interview questions for popular designations
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Answering questions related to Hive, Spark, and JSON format.
Types of partitioning in Hive: static and dynamic
Bucketing in Hive: used for efficient sampling and joins
Deduplication in Hive: using DISTINCT keyword or GROUP BY clause
RDDs and DataFrames: both are distributed collections in Spark, but DataFrames have a schema
Difference between Spark Session and Context: Session is a higher-level API that includes Context
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