A Brief MongoDB Intro

NoSQL: A New Era of Databases ,[object Object],Scaling for the Demands of Modern Applications

Starting from Scratch ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Agility ,[object Object],[object Object],[object Object],[object Object],> a = { name: “ mongo ” }; { “ name ” : “ mongo ” } >b = { x : 3 }; { “ x ” : 3 } > c = { x : 4 , j : 1 }; { “ x ” : 4 , “ j ” : 1 } >db.things.save(a) >db.things.save(b) >db.things.save(c) >db.things.find() { "_id" : ObjectId("4c2209f9f3924d31102bd84a"), "name" : "mongo" } { "_id" : ObjectId("4c2209fef3924d31102bd84b"), "x" : 3 } { "_id" : ObjectId("4c220a42f3924d31102bd856"), "x" : 4, "j" : 1 }

Deep Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Replication ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Replication Primary Secondary Secondary Secondary Secondary Client

Scalability ,[object Object],mongod mongod mongod mongos mongod mongod mongod Config Servers Shard Shard Shard Client

Sharding with Replica Sets mongod mongos mongod mongod mongod Config Servers Shard Shard Shard mongod mongod mongod mongod mongod mongod mongod mongod Client

Performance ,[object Object],[object Object],[object Object],[object Object],[object Object]

Performance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],obvioushints.blogspot.com

Thank you @mongodb [email_address] ; adam@10gen.com Mongo France, March 23 MongoSF, May 24 http://www.10gen.com/events http://bit.ly/mongofb Facebook | Twitter | LinkedIn http://linkd.in/joinmongo download at mongodb.org

(SQL vs MongoDB) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CREATE INDEX myindexname ON users(name,ts DESC) db.users.ensureIndex({name:1,ts:-1}) SELECT * FROM users WHERE a=1 and b='q' db.users.find({a:1,b:'q'}) SELECT * FROM users LIMIT 10 SKIP 20 db.users.find().limit(10).skip(20) SELECT * FROM users WHERE a=1 or b=2 db.users.find( { $or : [ { a : 1 } , { b : 2 } ] } ) SELECT * FROM users LIMIT 1 db.users.findOne() EXPLAIN SELECT * FROM users WHERE z=3 db.users.find({z:3}).explain() SELECT DISTINCT last_name FROM users db.users.distinct('last_name') SELECT COUNT(*y) FROM users db.users.count() SELECT COUNT(*y) FROM users where AGE > 30 db.users.find({age: {'$gt': 30}}).count()

A Brief MongoDB Intro

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A Brief MongoDB Intro