Session-3

Spark 2.x Scala Certification Videos 3 :  DataFrame, RDDs, GroupBy  : Available (Length 16 Minutes)

• • Select correct code for DataFrame related stuff. 

  • Applying GroupBy functions on the data to select specific record.

  • Save data back to file system as csv only selected columns.

  • Getting original RDD data from the DataFrame and what will be datatypes.

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