Spark Dataframes and Datasets - Getting Started - Creating Datasets from RDD

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As we understood details with respect to Case Classes, now let us go ahead and create Data Sets from RDD.

* Data Frames can be processed either by using Data Frame
Operations or Spark SQL, whereas Data Sets can be processed
using core APIs as well.
* APIs are same for both Data Frames as well as Data Sets to
process using Data Frame Operations or Spark SQL

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