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By now most you will probably have heard of the term NoSQL. It's a vague term that covers a lot of different types of database engines. The main classes of NoSQL databases are key/value stores, column databases, graph databases and document databases. Examples of a key/value stores are memcache or Redis, where data can only be stored and retrieved through a specific key. Column databases, such as Cassandra and Hadoop, are great for processing large amounts of data. Graph databases such as Neo4j and OrientDB model the relations between entities. Apache CouchDB and MongoDB belong to the last category, Document databases. We will be looking extensively at MongoDB in this article.

Posted by piccoloprincipe  |   Submitted: Sep 08 2013 / 05:05

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