Amazon DynamoDB is a fully-managed, zero-admin, high-speed NoSQL database service. Amazon DynamoDB was built to support applications at any scale. With the click of a button, you can scale your database capacity from a few hundred I/Os per second to hundreds of thousands of I/Os per second or more. You can dynamically scale your database to keep up with your application's requirements while minimizing costs during low-traffic periods. The service has no limit on storage. You also learn about Amazon DynamoDB's design principles and history.