{"id":"dynamodb-projection-expressions-no-capacity-reduction","text":"Using projection expressions to request a subset of attributes does not reduce DynamoDB capacity consumption — the full item size is always read internally.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-read-write-operationshtml.md","source_url":"","source_hash":"411d1faaffb2b2bc","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-projection-expressions-no-capacity-reduction","truth_value":"IN","reason":"premise"}]}}