Free DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Web TestEngine Demo

Q1 Single choice

Which of the following code blocks returns approximately 1000 rows, some of them potentially being duplicates, from the 2000-row DataFrame transactionsDf that only has unique rows?

A
transactionsDf.sample(True, 0.5)
B
transactionsDf.take(1000).distinct()
C
transactionsDf.sample(False, 0.5)
D
transactionsDf.take(1000)
E
transactionsDf.sample(True, 0.5, force=True)

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