Architectural logic: Pipelines = orchestration (activities, flow); Data Flows = Spark-based transformation activity. Pipelines orchestrate; Data Flows transform. A pipeline can contain Copy, Lookup, Data Flow, etc. When to use: Copy for simple move; Data Flow for filter, join, aggregate. Scalability: Data Flow runs on Spark; tune partitions. Cost: Data Flow consumes more than Copy....
The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations. It covers performance optimization strategies, common pitfalls to avoid, and real-world examples from companies like Nihilent. The answer also includes follow-up discussion points that interviewers commonly explore.
Continue Reading the Full Answer
Unlock the complete expert answer with code examples, trade-offs, and pro tips - plus 1,863+ more.
Or upgrade to Platform Pro - $39
Engineers who used these answers got offers at
AmazonDatabricksSnowflakeGoogleMeta
According to DataEngPrep.tech, this is one of the most frequently asked Cloud/Tools interview questions, reported at 1 company. DataEngPrep.tech maintains a curated database of 1,863+ real data engineering interview questions across 7 categories, verified by industry professionals.