Preparing Practice Exam…
Please wait a moment while the system generates the exam questions, answers, and study session.
Please wait a moment while the system generates the exam questions, answers, and study session.
Databricks Certified Associate Developer for Apache Spark · Databricks
Select one answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
- spark.sql.adaptive.enabled=true activates AQE, which at runtime can coalesce shuffle partitions, re-optimize joins (switch sort-merge to broadcast if data is small), and split skewed partitions. AQE is enabled by default in recent Spark/Databricks releases.