In AWS, what does RDS represent?

RDS stands for Relational Database Service in AWS. This service is designed to simplify the process of setting up, operating, and scaling a relational database in the cloud. It supports multiple database engines, including MySQL, PostgreSQL, MariaDB, Oracle, and Microsoft SQL Server, making it a versatile option for various application needs.

The primary advantage of RDS is its ability to automate routine database tasks such as backups, patching the database software, and recovery, thereby allowing developers to focus more on their applications instead of managing the underlying database infrastructure. Additionally, RDS provides features such as scalability, high availability through Multi-AZ deployments, and read replicas, which enhance performance and reliability.

The other choices do not accurately represent the service's purpose or functionalities in the context of AWS, as RDS specifically refers to relational databases, whereas terms like "Remote Data Storage," "Resource Data Service," and "Rapid Development Service" do not correspond to an existing AWS service related to relational database management.