Alex Merced • 2/19/2026

Schema Evolution Without Breaking Consumers

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This article discusses schema evolution in data engineering, advocating to treat data schemas like versioned APIs. It details safe vs. breaking changes, introduces the additive-only pattern for modifications, and emphasizes contract enforcement to avoid production outages when dashboards, reports, or pipelines depend on the data.

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#api design #Backward Compatibility #Data Engineering
Schema Evolution Without Breaking Consumers

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