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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #60
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #60: Real Exam Question with Answer & Explanation
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Manipulating DataFrames in Apache Spark
Question
Which of the following code blocks returns a 10 percent sample of rows from DataFrame storesDF with replacement?
Options
- AstoresDF.sample(true)
- BstoresDF.sample(true, fraction = 0.1)
- CstoresDF.sample(true, fraction = 0.15)
- DstoresDF.sampleBy(fraction = 0.1)
- EstoresDF.sample(false, fraction = 0.1)
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Topics
#Spark DataFrame API#Data Sampling#DataFrame Transformations