Part 2: Ash Domain and Resource. Ash Framework for Phoenix Developers | by Kamaro Lambert

In Ash Framework, domains serve as organizational containers that group related resources, and resources represent database tables with their attributes, relationships, and validations defined declaratively. The framework automatically generates migrations, columns, relationships, and validations from the resource definitions, allowing developers to model their entire database schema through Elixir code rather than manual SQL—exemplified by creating a KnowledgeBase domain containing resources like Category that specify tables, attributes, and relationships with cascading delete rules.

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