Amazon Relational Database Services (RDS)
- managed services for databases
- transactional processing
- hard to grow (writes) in size and performance
- various flavors
Amazon Aurora
- Coud native
- + capacity / + performance
- grows more easially
- flavous: MySql / Postgres
- (virtual machine)
Amazon Aurora Serverless V2
- charges per hour
- + scalability / + capacity
- managed cloud service
- (container)
Amazon Red Shift
- Sql Data warehouse service.
- high capacity
- suitable for reporting (not for ecommerce or web traffic)
- server/serverless version
Amazon DynamoDB
- serverless fully managed NoSQL data service
- suitable for Online Transactional Processing (OLTP).
- key/value datastore
Amazon DocumentDB
- compatible with MongoDB
- store data as documents
- supports hierarchy
Amazon Neptune
- compatible with Neo4J
- graph database
- detects relationships and variation on relationships within the data
- suitable for social networking, fraud detection, etc.
Amazon ElasticCache
- two flavors: mem cache or redis
- caches expensive database results
Amazon OpenSearch Service
- compatible with Elastic Search
- indexes and searches for information
Amazon Quantum Ledger Database Services (QLDB)
- database with immutable records for every change
- security consistency
- suitable for blockchain
Amazon Timestream
- captures data from various sources at high scale
- maintains timestamp
- suitable for IoT
References
https://aws.amazon.com/rds
https://aws.amazon.com/rds/features