Databases - Databases 101 Flashcards
RDS Types
SQL Server, Oracle, MySQL Server, PostgreSQL, Aurora, MariaDB
What is Elasticache?
Web service that makes it easy to deploy, operate, and scale an in-memory cache in the cloud
In-memory caching engines that Elasticache supports:
Memcached, Redis
Use case for Elasticache
If web app constantly requests the top 10 products, cache that information in Elasticache
DMS
allows you to migrate your production database to AWS
One migration starts…
AWS manages complexities of the migration processes like data type transformation, compression, and parallel transfer, while ensuring that data changes to the source database that occur during the migration process are automatically replicated to the target
Purpose of the AWS schema conversion tool
automatically converts the source DB schema and a majority of the custom code, including views, stored procedures, and functions, to a format compatible with the target DB.
RDS is used for
OLTP
DynamoDB used for
NoSQL
RedShift used for
OLAP