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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #169

DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #169: Real Exam Question with Answer & Explanation

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Working with DataFrames

Question

Which of the following code blocks returns a DataFrame with column storeSlogan where single quotes in column storeSlogan in DataFrame storesDF have been replaced with double quotes? A sample of DataFrame storesDF is below:

Options

  • AstoresDF.withColumn("storeSlogan", col("storeSlogan").regexp_replace("'" "\""))
  • BstoresDF.withColumn("storeSlogan", regexp_replace(col("storeSlogan"), "'"))
  • CstoresDF.withColumn("storeSlogan", regexp_replace(col("storeSlogan"), "'", "\""))
  • DstoresDF.withColumn("storeSlogan", regexp_replace("storeSlogan", "'", "\""))
  • EstoresDF.withColumn("storeSlogan", regexp_extract(col("storeSlogan"), "'", "\""))

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Topics

#DataFrame Transformations#Spark SQL Functions#String Manipulation
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