Difference Between Map and FlatMap #apachespark #bigdata #pyspark #interviewquestions #dataengineer

Understand the difference between map and flatMap in PySpark! map applies a function to each element and returns an RDD of the same structure, while flatMap can return multiple elements per input, flattening the result into a single RDD.

#PySpark #Map #FlatMap #BigData #DataEngineering #Shorts