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What is Delta Live Tables Schema Evolution Strategies about?

This document analyzes three schema evolution strategies for Delta Live Tables: None, Rescue, and AddNewColumns, focusing on their effectiveness in handling various schema change scenarios. The Rescue mode is recommended as it ensures zero data loss, maintains pipeline resilience during schema changes, and provides operational efficiency. In contrast, the None mode leads to frequent failures and high maintenance overhead, while AddNewColumns lacks support for critical schema changes, making it less suitable

Author

KhAnNa PoOjA

Language

EN