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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 82 discussion

The code block shown below contains an error. The code block is intended to print the schema of DataFrame storesDF. Identify the error.

Code block:

storesDF.printSchema.getAs[String]

  • A. There is no printSchema member of DataFrame – the getSchema() operation should be used instead.
  • B. There is no printSchema member of DataFrame – the schema() operation should be used instead.
  • C. The entire line needs to be a string – it should be wrapped by str().
  • D. The printSchema member of DataFrame is an operation prints the DataFrame – there is no need to call getAs.
  • E. There is no printSchema member of DataFrame – schema and the print() function should be used instead.
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Suggested Answer: D 🗳️

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Chosen Answer:
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azure_bimonster
9 months, 3 weeks ago
Selected Answer: D
storesDF.printSchema() would be enough in this case
upvoted 1 times
...
cookiemonster42
1 year, 3 months ago
Selected Answer: D
question is formulated poorly, but most possibly it's D
upvoted 1 times
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