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並前往http://www.mtitek.com/tutorials/bigdata/spark/rdd-dataframe-dataset.php

Spark API: RDD, DataFrame, Dataset - mtitek.com

scala> val dsFile = spark.read.textFile("test1.txt"). 2. #dsFile: org.apache.spark.sql.Dataset[String] = [value: string]. Create DataFrame from text file:.

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