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Differentiate between global and local variables in ADF.

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Architectural logic: Global parameters = factory-level; accessible to all pipelines. Local (pipeline) parameters = per-pipeline; passed at runtime or from triggers. Use global for env, base URL; local for LoadDate, table list. Reference: @pipeline().globalParameters.Environment, @pipeline().parameters.LoadDate. Why: Centralize cross-pipeline config; pipeline-specific for runtime....

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