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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #84

The code block shown below contains an error. The code block is intended to return a new DataFrame that is the result of a position-wise union between DataFrame storesDF and DataFrame acquiredStoresDF

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DataFrame Transformations and Operations

Question

The code block shown below contains an error. The code block is intended to return a new DataFrame that is the result of a position-wise union between DataFrame storesDF and DataFrame acquiredStoresDF.

Options

  • Aconcat(storesDF, acquiredStoresDF)
  • BstoresDF.unionByName(acquiredStoresDF)
  • Cunion(storesDF, acquiredStoresDF)
  • DunionAll(storesDF, acquiredStoresDF)
  • EstoresDF.union(acquiredStoresDF)

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Topics

#DataFrame union operations#Position-wise union#Apache Spark#DataFrame API
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