Database

AWS offers a variety of database services that can be used for storing application data in RDMSes, NoSQL databases, and caching servers:

• Relational Database Service (RDS): AWS RDS is a cloud relational database offered by Amazon that makes it easy to configure and provide scalability. AWS RDS offers a wide range of databases to choose from, including Amazon Aurora, MySQL, PostgreSQL, MariaDB, Microsoft SQL Server, and Oracle. Amazon also provides a database migration service that can be used by consumers to migrate on-premise or external databases to the Amazon Cloud.
• DynamoDB: AWS DynamoDB is a fully managed NoSQL service that provides high performance and scalability. It handles databases in a distributed manner so that consumers do not have to deal with the administration of the database. Consumers will be directly dealing with tables with unlimited storage and they can store and retrieve data.
• ElastiCache: AWS ElastiCache provides a data caching service that can be an in-memory data store that improves application performance. ElastiCache offers two open source in-memory data stores, Redis and Memcached. The user can configure clusters of caching servers that can automatically handle failover.
• Redshift: AWS Redshift is a fully managed data warehouse service provided by Amazon. Redshift allow us to connect via SQL-based clients and business intelligence tools and is focused on analytics. It also offers fast query execution over a large set of datasets.