Databricks Certified Associate Developer for Apache Spark
Get started today
Ultimate access to all questions.
Comments
Loading comments...
Ultimate access to all questions.
Which of the following code blocks returns a DataFrame where rows in DataFrame storesDF containing null values in all columns have been removed?
A
storesDF.na.drop()
B
storesDF.dropna()
C
storesDF.na.drop("all", subset = "sqft")
D
storesDF.na.drop("all")
E
storesDF.nadrop("all")