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 19 of 60
Free Preview · 60 of 198 · questions 1–60 of 198 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.
B is correct.
Stream_has_data is a metadata operation, so you don't need a wh to call it. B is correct, the WH will start as soon as there are data in the STREAM
Answer is B and is validated