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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #117

DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #117: Real Exam Question with Answer & Explanation

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Transforming Data with Spark DataFrames

Question

Which of the following code blocks returns a new DataFrame that is the result of a position-wise union between DataFrame storesDF and DataFrame acquiredStoresDF?

Options

  • AstoresDF.unionByName(acquiredStoresDF)
  • BunionAll(storesDF, acquiredStoresDF)
  • Cunion(storesDF, acquiredStoresDF)
  • Dconcat(storesDF, acquiredStoresDF)
  • EstoresDF.union(acquiredStoresDF)

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Topics

#Spark DataFrame#Data Transformation#Union Operation#DataFrame API
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