Which of the following atomic operation does DynamoDB supports?

DynamoDB - Quiz(MCQ)

Increment atomic operation

Decrement atomic operation

Both (A) and (B)

None of the above

Correct Answer : Both (A) and (B)

Explanation : Amazon DynamoDB supports atomic increment and decrement operations.

Recently Updated in DynamoDB Questions

Tables using a local secondary index must adhere to a size restriction of ____ per partition key value.

10GB

50GB

100GB

250GB

Correct Answer : 10GB

Explanation : Tables using a local secondary index must adhere to a size restriction of 10GB per partition key value.

Global Secondary Index supports which of the following API?

Scan

Query

Both (A) and (B)

None of the above

Correct Answer : Both (A) and (B)

Explanation : Global Secondary Index supports the API functions "Query" and "Scan."

How many IAM roles are needed to use the data pipeline?

Correct Answer : 2

Explanation : To utilize Data Pipeline, you must have two IAM roles:

* DataPipelineDefaultRole
* DataPipelineDefaultResourceRole

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