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
Does Dynamic DB support in-place atomic updates?
Does Dynamic DB support in-place atomic updates?
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C, Yes
https://aws.amazon.com/dynamodb/faqs/
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. View our documentation for more information on atomic updates.