An introduction to MongoDB          Russell Smith
/usr/bin/whoami•   Russell Smith•   Consultant for UKD1 Limited,•   External consultant for 10gen•   Help with code, archi...
What is MongoDB•   A scalable, high-performance, open source, document-oriented    database.•   Stores JSON like documents...
Why choose it?•   Schema-less•   Simple•   Reliable•   Scalable•   Drivers
Who uses it?•   Foursquare•   Disney•   Craigslist•   MTV Networks•   O2•   Telefonica
Basics•   insert•   find•   update•   remove•   ensureIndex
Insert•   db.test.insert({hello: ‘world’});
Find•   db.test.find()•   Equivalent of SELECT * FROM test;> db.test.insert({hello: ‘world’});> db.test.find();{ "_id" : Obj...
Updating•   db.test.update(<condition>, <operation>)> db.test.find();{ "_id" : ObjectId("4e7c9f464bdd7534bc498ff7"), "hello...
Removing•   db.test.remove(<condition>)> db.test.find();{ "_id" : ObjectId("4e7c9f464bdd7534bc498ff7"), "hello" : "seedhack...
Indexes•   It’s usually a good idea to index your collections•   How and which columns depends on what you are doing•   ex...
More advanced•   sort, count, limit, special operators•   Capped collections•   Geospatial indexing•   MapReduce•   Replic...
Getting started...•   Download & install - http://www.mongodb.org/downloads•   Online shell - http://www.mongodb.org/
Questions / Further•   Come and ask me questions•   Updates can also push, set, increment, decrement, etc    http://bit.ly...
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Seedhack MongoDB 2011

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  • Seedhack MongoDB 2011

    1. 1. An introduction to MongoDB Russell Smith
    2. 2. /usr/bin/whoami• Russell Smith• Consultant for UKD1 Limited,• External consultant for 10gen• Help with code, architecture, infrastructure, devops, sysops, capacity planning, etc• <3 MongoDB, MySQL, Redis, Gearman, Neo4j, Kohana, Riak, PHP, Debian, AWS, etc
    3. 3. What is MongoDB• A scalable, high-performance, open source, document-oriented database.• Stores JSON like documents• Commercially backed by 10gen
    4. 4. Why choose it?• Schema-less• Simple• Reliable• Scalable• Drivers
    5. 5. Who uses it?• Foursquare• Disney• Craigslist• MTV Networks• O2• Telefonica
    6. 6. Basics• insert• find• update• remove• ensureIndex
    7. 7. Insert• db.test.insert({hello: ‘world’});
    8. 8. Find• db.test.find()• Equivalent of SELECT * FROM test;> db.test.insert({hello: ‘world’});> db.test.find();{ "_id" : ObjectId("4e7c9f464bdd7534bc498ff7"), "hello" : "world" }
    9. 9. Updating• db.test.update(<condition>, <operation>)> db.test.find();{ "_id" : ObjectId("4e7c9f464bdd7534bc498ff7"), "hello" : "world" }> db.test.update({hello:‘world’}, {hello: ‘seedhack’});> db.test.find();{ "_id" : ObjectId("4e7c9f464bdd7534bc498ff7"), "hello" : "seedhack" }
    10. 10. Removing• db.test.remove(<condition>)> db.test.find();{ "_id" : ObjectId("4e7c9f464bdd7534bc498ff7"), "hello" : "seedhack" }> db.test.remove({hello: ‘seedhack’});> db.test.count()0>
    11. 11. Indexes• It’s usually a good idea to index your collections• How and which columns depends on what you are doing• explain> db.test.ensureIndex({hello:1})
    12. 12. More advanced• sort, count, limit, special operators• Capped collections• Geospatial indexing• MapReduce• Replica sets• Sharding
    13. 13. Getting started...• Download & install - http://www.mongodb.org/downloads• Online shell - http://www.mongodb.org/
    14. 14. Questions / Further• Come and ask me questions• Updates can also push, set, increment, decrement, etc http://bit.ly/gEfKOr• Indexes can be across multiple keys, 2D (geo) and ASC / DESC http://bit.ly/hpK68Q• SQL -> Mongo chart http://bit.ly/ig1Yfj
    1. ¿Le ha llamado la atención una diapositiva en particular?

      Recortar diapositivas es una manera útil de recopilar información importante para consultarla más tarde.

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