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Curated by Enguerran D
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Matinée Big Data : Valeur ajoutée de MongoDB dans un environnement Big Data

Matinée Big Data : Valeur ajoutée de MongoDB dans un environnement Big Data | Digital Analytics | Scoop.it
Vous vous sentez perdu au milieu de la profusion de technologies liées au Big Data? https://t.co/CxUPfZnmae https://t.co/VrX92aKLgR
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Long Numbers Are Truncated in MongoDB Shell

Long Numbers Are Truncated in MongoDB Shell | Digital Analytics | Scoop.it
Let’s try this simple code in a Mongo shell:db.TestCollection.insert({"_id" : 1, "Value" : NumberLong(636002954392732556) })
db.TestCollection.find()
What you expect is that Mongo inserted one record and then that record is returned. Actually, a record is inserted, but the return value can surprise you. Here is the output I got from RoboMongo:
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Faire du sharding sur MongoDB | Wilame Vallantin

Faire du sharding sur MongoDB | Wilame Vallantin | Digital Analytics | Scoop.it
Pour pouvoir agrandir la capacité de votre base de données MongoDB, vous pouvez apprendre à faire du sharding et partager les données entre plusieurs shards
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Cassandra vs mongo db vs couchdb vs redis vs riak

J Gabriel Lima - http://jgabriellima.in

Via Alexander Melkonyan
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Alexander Melkonyan's curator insight, August 6, 2013 8:57 AM

CouchDB-Redis,MongoDB-Riak,Membase-Neo4J,Cassandra-HBase, brief feature comparison. Could be very handy when choosing nosql system.