50 PySpark Interview Questions and Answers For 2023
ProjectPro
NOVEMBER 22, 2021
What's the difference between an RDD, a DataFrame, and a DataSet? RDDs contain all datasets and dataframes. If a similar arrangement of data needs to be calculated again, RDDs can be efficiently reserved. It's useful when you need to do low-level transformations, operations, and control on a dataset. count())) df2.show(truncate=False)
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