What is the Azure Database Migration Service primarily used for?

The Azure Database Migration Service is primarily designed to assist organizations in migrating their on-premises and cloud-based databases to Azure. This service simplifies the migration process by providing the necessary tools and resources to transfer databases with minimal downtime and risk. It supports a wide range of source databases, ensuring that users can migrate from various environments, including SQL Server and other relational database systems.

By leveraging this service, database administrators can effectively plan and execute migrations, making it easier to transition to Azure's robust cloud database offerings while maintaining data integrity and operational continuity.

In contrast, the other options focus on different functionalities such as managing backups, optimizing performance, or providing disaster recovery solutions, which are not the primary functions of the Azure Database Migration Service. Thus, while those aspects are important in database management, they do not encapsulate the specific purpose of this service.