Scala - flatMap vs map Difference
The distinction between map and flatMap centers on how they handle the return values of transformation functions. map applies a function to each element and wraps the result, while flatMap…
Flatmap
PySpark - Map vs FlatMap Transformation
The map() transformation is the workhorse of PySpark data processing. It applies a function to each element in an RDD or DataFrame and returns exactly one output element for each input element….