Slides from the July, 2010 presentation on MongoDB and the NoSQL "movement".

1. NoSQL & MongoDB
Suburban Chicago PHP & Web Development Meetup
July 1, 2010

2. PHP SQL
Imperative Declarative
Object Oriented Normalized
Proprietary
Standards followed
extensions
Scaling issues Easier scaling

3. Impedance Mismatch

4. NoSQL

5. NoSQL
• No SQL

6. NoSQL
• No SQL
• Not Only SQL

7. SQL NoSQL
ACID Eventual consistency
Assumes reliable
Journaled, redundant
environment
Schema, data, keys,
Key/value pairs
indexes
Solid Fast

8. Map/Reduce
• Google
• Parallelizable
• Small program
• Find matches, remove duplicates

9. Source: Jeff Dean, Sanjay Ghemawat (Google)

10. Example
http://code.google.com/edu/parallel/mapreduce-tutorial.html

11. Who uses NoSQL?

12. NoSQL Databases
and more...

13. Questions?
dave@suburbanchicagophp.org