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Exam Certified Associate Developer for Apache Spark All Questions

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Exam Certified Associate Developer for Apache Spark topic 1 question 72 discussion

Actual exam question from Databricks's Certified Associate Developer for Apache Spark
Question #: 72
Topic #: 1
[All Certified Associate Developer for Apache Spark Questions]

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?

  • A. storesDF.withColumnRenamed("division", "state")
    .withColumnRenamed("managerName", "managerFullName")
  • B. storesDF.withColumn("state", "division")
    .withColumn("managerFullName", "managerName")
  • C. storesDF.withColumn("state", col("division"))
    .withColumn("managerFullName", col("managerName"))
  • D. storesDF.withColumnRenamed(Seq("division", "state"), Seq("managerName", "managerFullName"))
  • E. storesDF.withColumnRenamed("state", "division")
    .withColumnRenamed("managerFullName", "managerName")
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by zozoshanky at July 30, 2023, 8:01 p.m.

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Chosen Answer:
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azure_bimonster
9 months, 3 weeks ago
Selected Answer: A
A would be the right one here.
upvoted 1 times
...
zozoshanky
1 year, 4 months ago
B is the answer.
upvoted 1 times
newusername
1 year ago
you are wrong! The answer is A
upvoted 1 times
...
...

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