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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 69 discussion

Actual exam question from Databricks's Certified Associate Developer for Apache Spark
Question #: 69
Topic #: 1
[All Certified Associate Developer for Apache Spark Questions]

Which of the following code blocks returns a new DataFrame from DataFrame storesDF where column modality is the constant string "PHYSICAL"? Assume DataFrame storesDF is the only defined language variable.

  • A. storesDF.withColumn("modality", lit(PHYSICAL))
  • B. storesDF.withColumn("modality", col("PHYSICAL"))
  • C. storesDF.withColumn("modality", lit("PHYSICAL"))
  • D. storesDF.withColumn("modality", StringType("PHYSICAL"))
  • E. storesDF.withColumn("modality", "PHYSICAL")
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Suggested Answer: C 🗳️
by Sowwy1 at April 5, 2024, noon

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Sowwy1
7 months, 3 weeks ago
should be C
upvoted 1 times
...

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