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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #146

DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #146: Real Exam Question with Answer & Explanation

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Performing Basic DataFrame Transformations

Question

Which of the following operations can be used to create a DataFrame with a subset of columns from DataFrame storesDF that are specified by name?

Options

  • AstoresDF.subset()
  • BstoresDF.select()
  • CstoresDF.selectColumn()
  • DstoresDF.filter()
  • EstoresDF.drop()

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Topics

#Spark DataFrame#Column Selection#DataFrame Transformations#PySpark
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