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AWS DynamoDB is a key-value and document database with single-digit millisecond response times at any scale. It’s a fully managed durable database with built-in security, backup and restore capabilities. DynamoDB's design is to reduce complexity between tables by consolidating objects into a common collection. These objects are then grouped together based on common themes, which will meet the conditions of the common queries of the application that you set. The service automatically scales to manage limited or underused capacity.