AWS dynamodb over AWS S3 : <p>I am new to AWS and need to decide what to choose between AWS dynamo db or AWS S3.</p>

<p>I have a use case in which I need to fetch multiple items from the data source and update the items and put back to the data source. I have searched and found that we can't perform multiple get in S3. </p>

<p>Any Suggestions it will be helpful !!</p>
