Which AWS service is a relational database compatible with MySQL and PostgreSQL?

Explanations:

Amazon Redshift is a data warehousing service designed for analytics and is not compatible with MySQL or PostgreSQL as a relational database.

Amazon DynamoDB is a NoSQL database service designed for high performance and scalability but does not support SQL relational features or compatibility with MySQL or PostgreSQL.

Amazon Aurora is a relational database service that is compatible with both MySQL and PostgreSQL, offering high performance, availability, and scalability.

Amazon Neptune is a graph database service optimized for storing and querying highly connected data but is not compatible with MySQL or PostgreSQL as a relational database.