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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #46
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #46: Real Exam Question with Answer & Explanation
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Working with Spark DataFrames and Transformations
Question
Which of the following operations can be used to return a new DataFrame from DataFrame storesDF without columns that are specified by name?
Options
- AstoresDF.filter()
- BstoresDF.select()
- CstoresDF.drop()
- DstoresDF.subset()
- EstoresDF.dropColumn()
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Topics
#DataFrame Operations#Column Manipulation#Spark API#Data Transformation