Databricks Certified Machine Learning - Associate
Get started today
Ultimate access to all questions.
Comments
Loading comments...
Ultimate access to all questions.
What is a potential drawback of relying on schema inference with certain pandas API on Spark functions?
A
Schema inference is always cost-effective.
B
It enhances the performance significantly.
C
It may cause the Spark job to execute twice.
D
Schema inference is not available in pandas API on Spark.