DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #146
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #146: Real Exam Question with Answer & Explanation
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Question
Which of the following operations can be used to create a DataFrame with a subset of columns from DataFrame storesDF that are specified by name?
Options
- AstoresDF.subset()
- BstoresDF.select()
- CstoresDF.selectColumn()
- DstoresDF.filter()
- EstoresDF.drop()
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