Google Cloud's serverless service for processing streaming and batch data with Apache Beam. It transforms, filters, and enriches data at scale without managing clusters.
In CDL it is part of the classic real-time data pattern: Pub/Sub (ingestion) → Dataflow (processing) → BigQuery or Bigtable (storage and analysis). Question: process a continuous stream of events in real time → Dataflow.
Dataflow is a concept that can show up on the exam. Check the full guide to see it in context.