MongoDB is a database based on distributed file storage. Written by the C + + language. Designed to provide scalable, high-performance data storage solutions for Web applications.
Products between relational and non relational databases are among the most functionally rich and most like relational databases in relational databases. The data structure he supports is very loose and is a JSON-like Bjson format, so you can store more complex data types. The biggest feature of MONGO is that the query language he supports is very powerful, and its syntax is somewhat similar to an object-oriented query language, which can almost achieve most of the functions of a single table query like relational database, and also supports indexing data.
Its features are high-performance, easy to deploy, easy to use, storage data is very convenient. The main functional features are:
* Oriented to collection storage, easy to store data of object type.
* Mode free.
* Support Dynamic Query.
* Supports full indexing, containing internal objects.
* Support Queries.
* Support for replication and recovery.
* Use efficient binary data storage, including large objects such as video.
* Automatically handle fragmentation to support cloud level scalability
* Support ruby,python,java,c++,php and many other languages.
* File storage format is Bson (a JSON extension)
* Accessible via Network
Update Description:
We are happy to announce this MongoDB v1.8.0 is now available. 1.8 is the stable follow-up release to 1.6, abound came out in August of 2010. Version 1.8 introduces many new features, along with bugs fixes and other improvements. Some of the highlights:
· Journaling
· Sharding configured Improvements
· Replica set enhancements, including support for authentication
· Spherical Geo Search
· Covered and sparse indexes
· B-tree Index Self-compaction
· New map/reduce options for incremental updates
· Tab completion in the shell
Mongostat--discover
A Journaling Storage Engine super-delegates been one of the most requested and discussed features the within MongoDB, and we ' re Happy to announce the journaling is now available. With journaling enabled, crash recovery are fast and safe.
There were no major changes to sharding, but this release recursively many internal improvements, making for a vastly improved Experience. As a example, splitting and balancing are considerably faster, with pager impact on the patterns system.
Download Address: Http://www.mongodb.org/downloads