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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #112
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #112: Real Exam Question with Answer & Explanation
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Accessing and Manipulating DataFrame Data
Question
Which of the following code blocks extracts the value for column sqft from the first row of DataFrame storesDF?
Options
- AstoresDF.first()[col("sqft")]
- BstoresDF[0]["sqft"]
- CstoresDF.collect(l)[0]["sqft"]
- DstoresDF.first.sqft
- EstoresDF.first().sqft
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Topics
#Spark DataFrame#Row object#Data extraction#PySpark API