{"id":"dynamodb-global-tables-last-writer-wins","text":"DynamoDB Global Tables use \"last writer wins\" reconciliation — optimistic locking with version numbers does not work across Regions because a write in one Region can overwrite a concurrent write in another without a version check.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-BestPractices_ImplementingVersionControlhtm.md","source_url":"","source_hash":"e12efb1bbbeddeaa","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-global-tables-last-writer-wins","truth_value":"IN","reason":"premise"}]}}