DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #7
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #7: Real Exam Question with Answer & Explanation
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Question
Which of the following code blocks returns a new DataFrame where column productCategories only has one word per row, resulting in a DataFrame with many more rows than DataFrame storesDF? A sample of storesDF is displayed below:
Options
- AstoresDF.withColumn("productCategories", explode(col("productCategories")))
- BstoresDF.withColumn("productCategories", split(col("productCategories")))
- CstoresDF.withColumn("productCategories", col("productCategories").explode())
- DstoresDF.withColumn("productCategories", col("productCategories").split())
- EstoresDF.withColumn("productCategories", explode("productCategories"))
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