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Introduction to CouchDB
 

Introduction to CouchDB

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An introduction to CouchDB the awesome NoSQL JSON document store.

An introduction to CouchDB the awesome NoSQL JSON document store.

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    Introduction to CouchDB Introduction to CouchDB Presentation Transcript

    • Gavin Cooper
    • Magicseaweed.com
    • @gavincoop
    • Who?
    • Erlanghttp://www.flickr.com/photos/caffull/4457324501/
    • Awesome Scalabilityhttp://www.flickr.com/photos/thetodd717/5126328291/
    • Schema Free (JSON Doc’s)http://www.flickr.com/photos/josefgrunig/1732787905/
    • { “_id”: “ABCD”, “_rev”: “3-ABCD32432”, “type”: “user”, “name”: “Gavin Cooper”}
    • RESTful Interface • Create PUT /dbname/ • Read GET /dbname/docid • Update PUT /dbname/docid • Delete DELETE /dbname/docidhttp://www.flickr.com/photos/odreiuqzide/3289073079/
    • Futon
    • JavaScript Map/Reducehttp://www.flickr.com/photos/nyuhuhuu/3367743012/
    • Map extracts datahttp://www.flickr.com/photos/cobalt/4720536135/
    • Reduce aggregates datahttp://www.flickr.com/photos/zkorb/1445131889/
    • “the more you know Oracle (or any RDBMS) the harder it is to pick up” - Simon Metsonhttp://www.flickr.com/photos/antoaneta/4903441211/
    • Map/Reduce Views = Data Poolhttp://www.flickr.com/photos/charliebrewer/1466724792/
    • Mapfunction (doc) { if (doc.type === “user” && doc.name) { emit(doc.name, doc); }}
    • Reducefunction (keys, values) { return sum(values);}
    • Map/Reduce Taskshttp://www.flickr.com/photos/koisny/5395521966/
    • Awesome Replicationhttp://www.flickr.com/photos/jaumebonet/5249483963/
    • Latency Suckshttp://www.flickr.com/photos/basegreen/1397798304/
    • Bring The Couch Closerhttp://www.flickr.com/photos/basegreen/1397798304/
    • CouchDB Runs on Androidhttp://www.flickr.com/photos/appletv/4920964839/
    • Replication Filtershttp://www.flickr.com/photos/mbiskoping/298129486/
    • Resources delicious.com/gavincoop/couchdbhttp://www.flickr.com/photos/jiscinfonet/391917876/