Noos
PT EN
RAN-DBDEA-00128
Ranvier · DBDEA

Exam DBDEA Topics: ingestion Difficulty: medium

An operations dashboard queries a Delta table that must never be more than a few minutes out of date. The team runs an Auto Loader stream on always-on compute and wants a new micro-batch to run every 60 seconds, around the clock, without manual intervention. Which trigger configuration produces that behavior?

Options (Reading Mode) Click to filter discussion →
  1. A. Use .trigger(processingTime='1 minute'): the query schedules continuous micro-batches, each starting about one minute after the previous
  2. B. Use .trigger(availableNow=True) with a one-minute interval: the stream processes whatever is available and then starts again every minute
  3. C. Use .trigger(processingTime='1 minute') for discovery only: Auto Loader scans for files faster, while micro-batches follow the default cadence
  4. D. Use no trigger at all: streams default to batch execution, so the table only advances when someone runs a manual refresh command
Reveal answer

Correct answer: Use .trigger(processingTime='1 minute'): the query schedules continuous micro-batches, each starting about one minute after the previous

Reference: https://docs.databricks.com/aws/en/ingestion/cloud-object-storage/auto-loader/

Train this exam on Ranvier →

02 — The Myelin Layer · Canonical Discussion

Where the exam tries to trick you — and how those who passed solved it.

0 Passed

contributed to this question

Answer Distractor Matrix Click an option to filter or open its dissection.
✦ Consolidated Synthesis (Wiki) rev. #1 (baseline) · CC BY-SA 4.0
Start synthesis for this question →

No community synthesis consolidated for this question yet. Below is the verifiable official starting point — if you passed the exam, open the option dissection.

Official Answer (A): Use .trigger(processingTime='1 minute'): the query schedules continuous micro-batches, each starting about one minute after the previous

Ranvier · DBDEA

Contribute to this Question

Your contribution builds your Orbital Sheath

Peer contributions

No public contribution yet. Be the first who passed to explain why the distractors trick candidates — your contribution builds your Orbital Sheath.