AWS DynamoDB
- Amazon Dynamo DB is fully managed NoSQL Database from Amazon
- Dynamo Db is used from the code directly from here
- Components of Dynamo DB
- Tables: Data is stored in tables. Eg: Movie
- Items: Table is collection of Items. Item is group of attributes Eg: {‘id’: ‘1’,’Name’: ‘Avengers’}
- Attribute: fundamental data element Eg: id and Name in above example are attributes
- Primary Key: Two kinds of primary Keys
- Partition Key: Equivalent to Primary Key
- Paritition Key & Sort Key: Equivalent to Composite Primary Key
- DynamoDB Local Version:
- Amazon is offering the Downloadbale version of Dynamo Db Refer Here
- Creating and Managing Dynamo Db:
- For managing uisng CLI Refer Here
Amazon DocumentDB
- Just like aurora in mysql/postgres where amazon has rewritten database engines for performance, in the nosql space, amazon has rewritten mongodb engine for better performance that is Document DB
Elastic Cache
- Amazon offers Cache as a Service with two offerings. For feature comparision refer here
- Elastic Cache for Redis
- Elastic Cache for Memcached
- Amazon is offering Redis Cache as a Service and Memcached as a Service
