Which of the following DataFrame operations is classified as a wide transformation?
- A.DataFrame.filter()
- B.DataFrame.join()
- C.DataFrame.select()
- D.DataFrame.drop()
- E.DataFrame.union()
databricks · Certified-Associate-Developer-for-Apache-Spark · Q425 · multiple_choice · topic_1
Which of the following DataFrame operations is classified as a wide transformation?
Explanation
Selected Answer: B
B. DataFrame.join() is classified as a wide transformation, as it shuffles the data across the network to perform the join operation.
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