AWS Database Migration Service is a web service you can use to migrate data from your database that is on-premises, on an Amazon Relational Database Service (Amazon RDS) DB instance, or in a database on an Amazon Elastic Compute Cloud (Amazon EC2) instance to a database on an AWS service. These services can include a database on Amazon RDS or a database on an Amazon EC2 instance. You can also migrate a database from an AWS service to an on-premises database. You can migrate data between heterogeneous or homogenous database engines.

User Guide
Describes all AWS Database Migration Service concepts and provides instructions on using the various features with both the console and the command line interface.

API Reference
Describes all the API operations for AWS Database Migration Service in detail. Also provides sample requests, responses, and errors for the supported web services protocols.

AWS DMS Step-by-Step Database Migration Guide
Provides step-by-step walkthroughs that go through the process of migrating data to AWS. The source or target database must be on an AWS service.