【IT168 技术】之前的文章中介绍了如何基于Mongodb进行关系型数据的分布式存储，有了存储就会牵扯到查询。虽然用普通的方式也可以进行查询，但今天要介绍的是如何使用MONGODB中提供的MapReduce功能进行查询。 今天介绍如何基于sharding机制进行mapreduce查询。

In a blog post, Tom Moor – co-founder and chief hacker at social media post scheduling app Buffer – describes how his company uses the NoSQL database MongoDB to gain real-time insight into internal ...

Cloudera Inc. and MongoDB Inc. yesterday announced a strategic partnership to integrate their Big Data technologies. Cloudera is one of the main players in the Big Data space, with a popular Hadoop ...

Both MongoDB and CouchDB are document-oriented datastores. They both work with JSON documents. They both are usually thrown into the NoSQL bucket. They’re both hip. But that’s where the similarities, ...

The NoSQL movement has spawned a slew of alternative data stores, all of which attempt to fill voids left by traditional relational database implementations. But while it’s easy to fit the various ...

In an effort to improve how MongoDB supplies its data to external applications, MongoDB keeper 10gen has extended the open source data store’s query language, providing developers with more ...