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.
- F.explode turns each array element into a separate row (and drops nulls). F.explode_outer preserves nulls. F.flatten flattens one level of nested array but keeps each row. F.expand and F.array do not match this behavior.