NoSQL

Internal

• System Design
• Databases

Overview

The NoSQL databases are grouped in four categories:

1. document stores
2. key-value stores
3. graph stores
4. column stores

NoSQL Databases

Document Databases

Document databases are conceptually similar to Google Bigtable database.

• Google Bigtable
• Cassandra
• HBase

Graph Databases

• CouchDB
• Neo4j
• Amazon DynamoDB

Organizatorium

• NoSQL discussion: https://bigdata-ir.com/wp-content/uploads/2017/04/NoSQL-Distilled.pdf NoSQL Distilled by Sadalage, Fowler. (Learning/Systems Design)
• Should you go Beyond Relational Databases? https://blog.teamtreehouse.com/should-you-go-beyond-relational-databases
• Lack of predefined schema.