Database Migration Service (AWS DMS) is a service to migrate relational databases. It can migrate to and from any locations with network connectivity to AWS. DMS is compatible with a broad range of DB sources, including Oracle, MS SQL, MySQL, MariaDB, PostgreSQL, MongoDB, Aurora, and SAP.
ElastiCache is a managed in-memory data store supporting the Redis or Memcached engines. ElastiCache is used for two common use cases:
Redshift is a managed data warehousing solution, which can scale to petabytes or more.
DynamoDB is a NoSQL database service. It’s a global service, partitioned regionally and allows the creation of tables.
Aurora is a database engine developed by AWS that is compatible with MySQL, PostgreSQL and associated tools. Fully managed, highly available, relational database engine.