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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #180

DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #180: Real Exam Question with Answer & Explanation

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Data Preparation and Transformation

Question

Which of the following code blocks returns a DataFrame where rows in DataFrame storesDF containing missing values in every column have been dropped?

Options

  • AstoresDF.na.drop()
  • BstoresDF.dropna()
  • CstoresDF.na.drop("all", subset = "sqft")
  • DstoresDF.na.drop("all")
  • EstoresDF.nadrop("all")

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Topics

#Spark DataFrames#Missing Values#na.drop#Data Cleaning
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