MongoDB

The best features of key/values stores, document databases and RDBMSes in one.

MongoDB is a high-performance, open source, schema-free document-oriented database. MongoDB is written in C++ and offers the following features:

• Collection oriented storage - easy storage of object-style data
• Dynamic queries
• Full index support, including on inner objects
• Query profiling
• Replication and fail-over support
• Efficient storage of binary data including large objects (e.g. videos)
• Auto-sharding for cloud-level scalability (Q209)

A key goal of MongoDB is to bridge the gap between key/value stores (which are fast and highly scalable) and traditional RDBMS systems (which are deep in functionality).

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