This document summarizes Amazon Web Services (AWS) database solutions. It discusses Relational Database Service (RDS) which provides databases like Aurora, PostgreSQL, MySQL, Oracle, MariaDB and SQL Server. It is managed by AWS, taking care of updates, performance, backups and monitoring. RDS uses EC2 instances and provides features like daily automated backups, multi-AZ deployment for redundancy, database read replicas for queries, and restore from backups. DynamoDB is also covered, being a NoSQL database using primary keys and provisioned throughput capacity.