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Explain the flatMap operation on Apache Spark RDD?

Question Posted / umeas chandra


Explain the flatMap operation on Apache Spark RDD?..

Answer / Cheta Saxena

{"flatMap": "The flatMap() function applies a user-defined function to each element in an RDD and transforms it into zero or more elements. It concatenates all output elements of the user-defined function for each input element before emitting them as part of the final RDD."}

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