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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #130

DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #130: Real Exam Question with Answer & Explanation

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Implementing User-Defined Functions (UDFs) in Spark SQL

Question

Which of the following code blocks creates and registers a SQL UDF named "ASSESS_PERFORMANCE" using the Scala function assessPerformance() and applies it to column customerSatisfaction in table stores?

Options

  • Aspark.udf.register("ASSESS_PERFORMANCE", assessPerformance)
  • Bspark.udf.register("ASSESS_PERFORMANCE", assessPerformance)
  • Cspark.udf.register("ASSESS_PERFORMANCE", assessPerformance)
  • Dspark.udf.register("ASSESS_PERFORMANCE", assessPerformance)
  • Espark.udf.register("ASSESS_PERFORMANCE", assessPerformance)

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Topics

#UDFs#Spark SQL#Scala UDFs#Function Registration
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