The document discusses the history of databases and database management systems. It then summarizes some key features of MongoDB, including how to perform basic CRUD (create, read, update, delete) operations with examples. Potential use cases for MongoDB are also listed.

1. Karoly Negyesi Developer team lead NowPublic.com / Examiner.com

2. History Ingres early 1970s

3. Oracle 1979

4. MySQL 1982

5. PostGRES 1986

6. Moore's law Doubling every 18 months

7. Applies to: Processing speed

8. Memory capacity

9. Hard disk capacity

10. We need drastically different design http://varnish-cache.org/wiki/ArchitectNotes

11. And now some Bayou slides... www.cs.berkeley.edu/~istoica/classes/cs268/06/notes/20-BFTx2.pdf

12. SQL Rigid schema

13. Normal forms

14. Transactions

15. Rich feature set http://dev.mysql.com/doc/refman/5.0/en/string-functions.html

16. “Databases are operating systems that you don't have to write sound drivers for.” - Brian Aker http://twitter.com/timoreilly/status/12247022198

17. Reality The world is not rigid

18. Denormalization

19. Too much overhead for transactions

20. Most of features are rarely needed

21. Even worse The iPhone

22. NoSQL Very new

23. Key-value stores