MongoDB (from “humongous”) is a scalable, high-performance, open source, dynamic-schema, document-oriented database. Written in C++, MongoDB features: – Document-oriented storage (the power and flexibility of JSON-like data schemas) – Dynamic queries – Full index support, including secondary indexes, inner-objects, embedded arrays, geospatial – Query profiling – Fast, in-place updates – Efficient storage of binary data large objects (e.g. photos and videos) – Replication and fail-over support – Auto-sharding for cloud-level scalability – MapReduce for complex aggregation

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