What is a benefit of moving an on-premises database to Amazon Relational Database Service (RDS)?

Moving an on-premises database to Amazon Relational Database Service (RDS) provides enhanced scalability and availability, making this option the most fitting benefit.

In a cloud-based environment like RDS, resources can be dynamically scaled up or down based on demand. This elasticity allows organizations to handle varying workloads without the need for over-provisioning resources upfront. For instance, during peak usage times, additional database instances can be quickly spun up to accommodate increased traffic, and then scaled back down when demand decreases.

Moreover, RDS is designed with built-in high availability features, such as automated backups, snapshot capabilities, and multi-AZ deployments. These features contribute to improved uptime and reliability, ensuring that applications that rely on the database can remain operational even in the face of failures. This level of availability is often challenging to achieve with traditional on-premises solutions without significant investment in infrastructure and resources.

In summary, the transition to Amazon RDS significantly enhances an organization's ability to scale resources on demand while also ensuring high availability, providing a robust solution for managing database workloads.