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Exam AWS Certified Solutions Architect - Professional topic 1 question 369 discussion

Which of the following does Amazon DynamoDB perform?

  • A. Atomic increment or decrement on scalar values
  • B. Neither increment nor decrement operations
  • C. Only increment on vector values
  • D. Only atomic decrement operations
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Suggested Answer: A 🗳️
Amazon DynamoDB allows atomic increment and decrement operations on scalar values.
Reference:
http://aws.amazon.com/dynamodb/faqs/

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TechX
2 years, 10 months ago
Selected Answer: A
Answer: A Explanation: Amazon DynamoDB allows atomic increment and decrement operations on scalar values. http://aws.amazon.com/dynamodb/faqs/
upvoted 1 times
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ExtHo
3 years, 6 months ago
Question 10 Yes, Amazon DynamoDB support both increment and decrement atomic operations. https://jayendrapatil.com/aws-dynamodb/
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ar2000
3 years, 6 months ago
DynamoDB supports atomic counters, where you use the update method to increment or decrement the value of an existing attribute without interfering with other write requests. (All write requests are applied in the order in which they are received.)
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newme
3 years, 7 months ago
Can't find any references
upvoted 1 times
01037
3 years, 6 months ago
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/WorkingWithItems.html#WorkingWithItems.AtomicCounters
upvoted 2 times
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