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Does Dynamic DB support in-place atomic updates?
A. It is not defined
B. No
C. Yes
D. It does support in-place non-atomic updates
Correct Answer: C
Explanation/Reference:
Explanation:
Q: Does DynamoDB support in-place atomic updates?
Amazon DynamoDB supports fast in-place updates. You can increment or decrement a numeric attribute in a row using a single API call. Similarly, you can atomically add or remove to sets, lists, or maps.
https://aws.amazon.com/dynamodb/faqs/
Explanation/Reference:
Does DynamoDB support in-place atomic updates?
Amazon DynamoDB supports fast in-place updates. You can increment or decrement a numeric attribute in a row using a single API call. Similarly, you can atomically add or remove to sets, lists, or maps.