DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #9
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #9: Real Exam Question with Answer & Explanation
Sign in or unlock DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK to reveal the answer and full explanation for question #9. The question stem and answer options stay visible for context.
Question
Which of the following code blocks returns a new DataFrame where column division from DataFrame storesDF has been replaced and renamed to column state and column managerName from DataFrame storesDF has been replaced and renamed to column managerFullName?
Options
- A(storesDF.withColumnRenamed(["division", "state"], ["managerName", "managerFullName"])
- B(storesDF.withColumn("state", col("division"))
- C(storesDF.withColumn("state", "division")
- D(storesDF.withColumnRenamed("state", "division")
- E(storesDF.withColumnRenamed("division", "state")
Unlock DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK to see the answer
You've previewed enough free DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK questions. Unlock DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.