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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #53

DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #53: Real Exam Question with Answer & Explanation

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Manipulate DataFrames using the Spark API

Question

Which of the following code blocks returns a new DataFrame where column division from DataFrame storesDF has been replaced and renamed to column state and column managerName from DataFrame storesDF has been replaced and renamed to column managerFullName?

Options

  • AstoresDF.withColumnRenamed("division", "state")
  • BstoresDF.withColumn("state", "division")
  • CstoresDF.withColumn("state", col("division"))
  • DstoresDF.withColumnRenamed(Seq("division", "state"), Seq("managerName",
  • EstoresDF.withColumnRenamed("state", "division")

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Topics

#DataFrame Operations#Column Renaming#Spark API#Transformations
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