This page describes the migration jobs available in Database Migration Service withhomogeneous migrations: for pre-existing destination instances, and ones thatDatabase Migration Service creates on your behalf during the migration job configuration.

Destination databases created by Database Migration Service

In most migration scenarios, Database Migration Service creates a new destination databaseinstance for you as a part of the migration job creation flow. If you wantDatabase Migration Service to create the destination database for you,follow the guidance inCreate a migration job to a new destination instance.

Destination databases created outside Database Migration Service

You can create your destination database instance outside ofDatabase Migration Service before you configure the migration job.This approach is especially useful when you plan to utilize Terraform or otherinfrastructure as code tools to manage your infrastructure.

There are certain limitations that you shouldconsider when you want to migrate to a destination instancecreated outside of Database Migration Service. For more information, seeKnown Limitations.

If you want to migrate to a destination database created outside ofDatabase Migration Service, follow the guidance inCreate a migration job to an existing destination instance.