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