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Does DynamoDB support in-place atomic updates?

Does DynamoDB support in-place atomic updates?

PrepAway - Latest Free Exam Questions & Answers

A.
It is not defined

B.
Yes

C.
It does support in-place non-atomic updates

D.
No

Explanation:
DynamoDB supports in-place atomic updates.
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/WorkingWithItems.html#WorkingWithItems.Atom
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