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Explain the flatMap() transformation in Apache Spark?
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Answer / Yogesh Kumar Mishra
{"flatmap": "A transformational operation in Apache Spark's Resilient Distributed Dataset (RDD) API that applies a function to each element in an RDD, splitting the elements into zero or more records. The flatMap() transformation is often used for converting iterables (such as lists and arrays) into RDD elements or for processing text data."}
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