Migrate to Virtual Machines lets you migrate VMs and disks of VMs from the following four migration sources to Google Cloud:

• vSphere data center (on-premises)
• AWS cloud service
• Azure cloud service
• Google Cloud VMware Engine

Database Migration Service

CDC (change data capture based on a transaction log) is the preferred approach for capturing changes in a database management system. CDC is built into the database itself and has the least load impact on the system.

Once in CDC phases, you can promote migration job. You can configure application to write to the new DB: