Fauna Schema offers a comprehensive suite of tools that enables development teams to define, manage, progressively type, enforce, and evolve their database schema with zero downtime migrations, addressing the challenge of evolving schema in production applications as business requirements change. By combining document types, types and enforcement, and zero downtime migrations, Fauna delivers the structure, enforcement, and reliability of traditional relational databases with the flexibility of a modern document model, empowering development teams to build, iterate, and evolve schema alongside application code, and progressively enforce schema structure over time as needed.