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What are the types of transformation in RDD in Apache Spark?
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What are the types of transformation in RDD in Apache Spark?..
Answer / Aniket Shukla
There are two main categories of transformations in RDD: parallel collections and higher-order functions. Parallel collections include operations like map(), filter(), and reduce(). Higher-order functions involve aggregation operations like fold(), combineByKey(), and groupByKey().
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