DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #36
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #36: Real Exam Question with Answer & Explanation
Sign in or unlock DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK to reveal the answer and full explanation for question #36. The question stem and answer options stay visible for context.
Question
The code block shown below contains an error. The code block is intended to return a new DataFrame that is the result of a cross join between DataFrame storesDF and DataFrame employeesDF. Identify the error. Code block: storesDF.join(employeesDF, "cross")
Options
- AA cross join is not implemented by the DataFrame.join() operations - the standalone CrossJoin()
- BThere is no direct cross join in Spark, but it can be implemented by performing an outer join on all
- CA cross join is not implemented by the DataFrame.join()operation - the
- DThere is no key column specified - the key column "storeId" should be the second argument.
- EA cross join is not implemented by the DataFrame.join() operations - the standalone join()
Unlock DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK to see the answer
You've previewed enough free DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK questions. Unlock DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.