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Exam Certified Associate Developer for Apache Spark All Questions

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Exam Certified Associate Developer for Apache Spark topic 1 question 159 discussion

Actual exam question from Databricks's Certified Associate Developer for Apache Spark
Question #: 159
Topic #: 1
[All Certified Associate Developer for Apache Spark Questions]

Which of the following code blocks creates a Python UDF assessPerformanceUDF() using the integer-returning Python function assessPerformance() and applies it to Column customerSatisfaction in DataFrame storesDF?

  • A. assessPerformanceUDF = udf(assessPerformance, IntegerType) storesDF.withColumn("result", assessPerformanceUDF(col("customerSatisfaction")))
  • B. assessPerformanceUDF = udf(assessPerformance, IntegerType()) storesDF.withColumn("result", assessPerformanceUDF(col("customerSatisfaction")))
  • C. assessPerformanceUDF - udf(assessPerformance) storesDF.withColumn("result", assessPerformance(col(“customerSatisfaction")))
  • D. assessPerformanceUDF = udf(assessPerformance) storesDF.withColumn("result", assessPerformanceUDF(col("customerSatisfaction")))
  • E. assessPerformanceUDF = udf(assessPerformance, IntegerType()) storesDF.withColumn("result", assessPerformance(col("customerSatisfaction")))
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Suggested Answer: B 🗳️
by Sowwy1 at April 10, 2024, 4:09 p.m.

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Sowwy1
7 months, 2 weeks ago
B. assessPerformanceUDF = udf(assessPerformance, IntegerType()) storesDF.withColumn("result", assessPerformanceUDF(col("customerSatisfaction")))
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