Relation/Set Theory transformations We will be playing with this following program to understand the three important set theory based transformations. package com.mishudi.learn.spark.dataframe; import java.util.Arrays; import org.apache.spark.SparkConf; import org.apache.spark.api.java.JavaRDD; import org.apache.spark.api.java.JavaSparkContext; import org.apache.spark.sql.DataFrame; import org.apache.spark.sql.SQLContext; public class RelationalOrSetTheoryTransformations { public static void main(String[] args) { SparkConf sparkConf = new SparkConf().setAppName(“RelationalOrSetTheoryTransformations”); JavaSparkContext ctx = new JavaSparkContext(sparkConf); //…
Read More →