in twentyCAT event 16 may 2011

1. Mesh Cloud The road to mongo* {name : ”MedhatDawoud”, job : ”SofwareEngineer”} @Med7atDawoud * mongo from “humongous”

2. What is this session About ?

3. OK, actually I will tell you Two Important Facts

4. 1st “Mesh Cloud” Means .. “Notabout Cloud ”

5. 2nd I’m interested today in “NoSQL” Concept.

6. so..? What is the relationship between NoSQL andCloud

7. Both are focus on solving the same issue..!

8. Scalability* What does it mean ?? * Scaling is the ability to enlarge your DB

9. Scalability is the facility of scaling the system according to requirements

10. Types of scalability Verticalscalability (scale up) : * to add resources to a single node in a system * single point of failure *easy to be done, because it’s the same implementation only you scale hardware Horizontalscalability (scale out) : * means to add more nodes to a system * No single point of failure *complex in implementation

11. Ok, lets get started

12. So, What makes me leave MySQL for example and use NoSQL?

13. NoSQL features that will suitable for your needs such as ..

14. There is no joins

15. No Complex Transactions

16. Horizontal Scalable architecture

17. New Data Modes

18. Data Models Key/value memcached , Dynamo Tabular BigTable (Google) Document Oriented mongoDB, couchDB, JSON store

19. * from http://www.mongoDB.org

20. If we speak specially about We’ll find new special features

21. It saves data in a JSON-style Documents Represented as BSON {“Hello” : ”world”} 1600000002hello 0006000000world 0000

22. Flexible Schemas {"author":"Medhat", "text":"...", "tags":["mongoDB"]} {"author":"Medhat“, "text":"..."}

23. Dynamic Queries

24. Focus on performance

25. Replication Slave-Master Replica sets

26. Auto-sharding

27. And more other features* … Go online to get them all http://www.mongodb.org * I’ll try to explain each of them in isolated sessions

28. Support many programming languages* PHP C Perl C#.NET C++ Java scala JavaScript Python Ruby * Just Down load the driver of the language you want and play

29. So, what ever your programming language is mongoDB supports it

30. References For downloading mongoDB http://www.mongodb.org/downloads For Try it Online http://www.mongodb.org For download and learn about drivers http://www.mongodb.org/display/DOCS/Drivers For contacting me Website: http://www.medhatdawoud.com Blog: http://Med7at.wordpress.com Email: MedhatDawoud@gmail.com Facebook:Medhat Dawoud Twitter: @Med7atDawoud

31. Thanks