- RDS: relational database, great for OLTP (online transaction processing)
- AWS Offerings: PostgreSQL, MySQL, Oracle, Aurora
- No horizontal scaling
- DynamoDB: NoSQL database
- Managed database, key value store, document database
- Fully serverless
- ElasticCache: in memory database
- Offering: Redis, Memcached
- Used for caching
- Redshift: OLAP (online analytics processing)
- Used for data warehousing, data lakes, analytics queries
- Has to be provision in advanced (like most of the RDS databases)
- Neptune: graph database
- DMS (Database Migration Service): used to move data from one database to another -DocumentDB: managed MongoDB database for AWS
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