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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #162
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #162: Real Exam Question with Answer & Explanation
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Perform data manipulation and transformations using Spark DataFrames
Question
Which of the following operations can be used to perform a left join on two DataFrames?
Options
- ADataFrame.join()
- BDataFrame.crossJoin()
- CDataFrame.merge()
- DDataFrame.leftJoin()
- EStandalone join() function
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Topics
#DataFrame operations#Joins#Data Transformation#Spark SQL