With Amazon Aurora Serverless, there are no DB Instances to manage. The database automatically starts, stops, and scales capacity up or down based on your application's needs.| Amazon Web Services, Inc.
Amazon Relational Database Service (RDS) is a fully managed, open-source cloud database service that allows you to easily operate and scale your relational database of choice, including Amazon Aurora, PostgreSQL, SQL Server, and MySQL.| Amazon Web Services, Inc.