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.
Question 25 of 118
Free Preview · 118 of 392 · questions 1–118 of 392 are free. Sign up free to sync your progress across devices.
Select one answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
- PySpark schemas are StructType objects built from StructField(name, dataType, nullable). Option D (DDL string 'name string, age int') also works in modern Spark, but the classic structured form is option A. Raw dicts and tuple lists are not accepted.