Sample questions
Question 1:
Which of the following code snippets creates a view in Spark SQL that will replace existing views if already present?
dataFrame.createOrReplaceTempView()dataFrame.createTempView()dataFrame.createTableView()dataFrame.createOrReplaceTableView()dataDF.write.path(filePath)
Question 2:
Which function do we use to join two DataFrames together?
DataFrame.filter()DataFrame.distinct()DataFrame.intersect()DataFrame.join()DataFrame.count()
Answers
- A
- D