{"id":"dynamodb-mrsc-exactly-3-regions-same-set","text":"DynamoDB MRSC (Multi-Region Strong Consistency) requires exactly 3 Regions from the same Region set (US, EU, or AP); cannot span sets. Supports 3 replicas or 2 replicas + 1 witness.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-bp-global-table-designhtml.md","source_url":"","source_hash":"d469a51155b62f93","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-mrsc-exactly-3-regions-same-set","truth_value":"IN","reason":"premise"}]}}