DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #95
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #95: Real Exam Question with Answer & Explanation
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Question
Which of the following code blocks returns a new DataFrame with a new column customerSatisfactionAbs that is the absolute value of column customerSatisfaction in DataFrame storesDF? Note that column customerSatisfactionAbs is not in the original DataFrame storesDF.
Options
- AstoresDF.withColumn("customerSatisfactionAbs", abs(col("customerSatisfaction")))
- BstoresDF.withColumnRenamed("customerSatisfactionAbs", abs(col("customerSatisfaction")))
- CstoresDF.withColumn(col("customerSatisfactionAbs", abs(col("customerSatisfaction")))
- DstoresDF.withColumn("customerSatisfactionAbs", abs(col(customerSatisfaction)))
- EstoresDF.withColumn("customerSatisfactionAbs", abs("customerSatisfaction"))
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