Which AWS service or feature is an example of a relational database management system?
Amazon Athena
Amazon Redshift
Amazon S3 Select
Amazon Kinesis Data Streams
Explanations:
Amazon Athena is a query service for analyzing data in Amazon S3 using SQL, but it is not a relational database.
Amazon Redshift is a relational database management system designed for data warehousing and analytics.
Amazon S3 Select allows querying specific data from S3 objects using SQL, but it is not a relational database.
Amazon Kinesis Data Streams is used for real-time data streaming, not for relational database management.