{"id":"dynamodb-only-key-attributes-require-definition","text":"Only key attributes (partition key, sort key, and index keys) require AttributeDefinitions at table creation; DynamoDB is schemaless for non-key attributes.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-getting-started-step-1html.md","source_url":"","source_hash":"eed13122388b9f71","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-only-key-attributes-require-definition","truth_value":"IN","reason":"premise"}]}}