- Monty’s Google Tech Talk
- 2010 O’Reilly MySQL Conference Slides and Videos
- Project Voldemort: Scaling Simple Storage — LinkedIn
- The NOSQL-Environment (Not Only SQL)
In short, NOSQL databases can be categorized according to their data model into the following four categories:
- Graph Databases
24.05.2010 Update: More links on NoSQL as it seems to become a really popular topic and everyone is writing about it.