Databricks Certified Associate Developer for Apache Spark
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Which of the following operations can be used to count the number of rows in a DataFrame?
Exam-Like
A
DataFrame.numberOfRows()
0.0%
B
DataFrame.n()
0.0%
C
DataFrame.sum()
0.0%
D
DataFrame.count()
100.0%
E
DataFrame.countDistinct()
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Which of the following operations can be used to count the number of rows in a DataFrame? | Databricks Certified Associate Developer for Apache Spark Quiz - LeetQuiz
