To adapt to the cloud trend, a financial enterprise plans to migrate its key relational database data and related services to the cloud. This database has high performance requirements and needs to…

To adapt to the cloud trend, a financial enterprise plans to migrate its key relational database data and related services to the cloud. This database has high performance requirements and needs to support distributed deployment. It also needs to be highly available, reliable, secure, and elastic. Which of the following database services is the most suitable?