Câu 6: AWS Certified Developer Associate(Old)

A company runs an e-commerce website that uses Amazon DynamoDB where pricing for items is dynamically updated in real time. At any given time, multiple updates may occur simultaneously for pricing information on a particular product. This is causing the original editor's changes to be overwritten without a proper review process. Which DynamoDB write option should be selected to prevent this overwriting?

1. A. Concurrent writes
2. B. Conditional writes — đáp án hiện tại
3. C. Atomic writes
4. D. Batch writes