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Schema Evolution: Surviving the Day Upstream Renames a Column
Every source schema changes eventually. Which changes Delta accepts silently, which it rejects, a contract per layer, and the changes no schema check sees.
2 articles
Every source schema changes eventually. Which changes Delta accepts silently, which it rejects, a contract per layer, and the changes no schema check sees.
Data contracts formalize the agreement between data producers and consumers. Today I'm exploring how to implement effective data contracts in your data…