Which AWS service can be used to accomplish this?

Explanations:

Amazon RDS is a managed relational database service, not a non-relational database. It requires management of the database software and is typically used for SQL databases.

Amazon DynamoDB is a fully managed NoSQL database service that automatically scales and manages the underlying infrastructure, making it suitable for users who do not want to manage hardware or software.

Amazon Aurora is a relational database service that is compatible with MySQL and PostgreSQL. It is not a non-relational database and requires some management aspects.

Amazon Redshift is a data warehousing service designed for analytics and is not a non-relational database. It requires management and tuning for optimal performance.