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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #170

DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #170: Real Exam Question with Answer & Explanation

The correct answer is B: DataFrame.withColumnRenamed(). See the full explanation below for the reasoning.

Spark DataFrame Operations

Question

Which of the following operations can be used to rename and replace an existing column in a DataFrame?

Options

  • ADataFrame.renamedColumn()
  • BDataFrame.withColumnRenamed()
  • CDataFrame.wlthColumn()
  • Dcol()
  • EDataFrame.newColumn()

Topics

#Spark DataFrame#Column Operations#Data Transformation

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