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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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