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Metadata-Driven Pipelines in Azure Data Factory
A metadata-driven pipeline reads a list of what to copy from a control table and applies one generic Copy activity to every row. This guide explains the building blocks in Azure Data Factory, shows the pattern working on real tables, and walks through the pipelines and control tables the Copy Data tool generates.
Event-Driven Pipelines with Lambda and S3
An event-driven pipeline starts work the moment a file arrives in S3. This guide explains S3 event notifications, writes a Lambda handler that validates and converts a real file, and runs it twice on the same event to show idempotency. It also covers encoded keys, loops, failure handling, and when to add a queue.