<jupyter_start><jupyter_text>Prepare Datasets for JoinsLet us prepare datasets to join.* Make sure airport-codes is in HDFS.* We will also use airlines data for the month of January 2008. We have used that data set in the past as well.<jupyter_code>import sys.process._

"hdfs dfs -ls /public/airlines_all"!
import sys.process._

"hdfs dfs -ls /public/airlines_all/airport-codes"!
import sys.process._

"hdfs dfs -ls /public/airlines_all/airlines-part/flightmonth=200801"!<jupyter_output><empty_output>
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