{"id":"dynamodb-transaction-four-action-types","text":"TransactWriteItems supports four action types: Put (write new item), Update (modify existing), Delete (remove item), and ConditionCheck (validate without modifying).","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-APIReference-API_TransactWriteItemshtml.md","source_url":"","source_hash":"3b51ff6249b8b17d","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-transaction-four-action-types","truth_value":"IN","reason":"premise"}]}}