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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 77 discussion

Which of the following code blocks returns the number of rows in DataFrame storesDF for each unique value in column division?

  • A. storesDF.groupBy("division").agg(count())
  • B. storesDF.agg(groupBy("division").count())
  • C. storesDF.groupby.count("division")
  • D. storesDF.groupBy().count("division")
  • E. storesDF.groupBy("division").count()
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Suggested Answer: E 🗳️

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azure_bimonster
9 months, 3 weeks ago
Selected Answer: E
E is the right answer here
upvoted 2 times
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