from Chapter 2 of Spark Guide

0. Construct your own schema for the flight data and use it to read in the flight data

1. Read in the Flight data ( summary-2015.csv) in DataBricks ( or IntelliJ)

1.5 Rename the DEST_... column and the ORIG_ ... column to names you like

2. Sort the DataFrame on the count column and output the first 10 rows

3. Construct a case class and convert the DataFrame to a Dataset

4.Convert your Dataset to a SQL table and use SQL to select the columns and print out the top 10,