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MongoDB's performance resides in its document-oriented storage capability and the schema dynamism, which make room for horizontal scalability and quick entry updates. MongoDB is used in practice by top companies in various domains, including healthcare, government and public administration, financial services, retail, publishing, media and telecommunications. This approach makes it suitable for the business environment, enabling users to develop all sorts of applications that work with large amounts of data, such as cloud-based or web-based programs, content management systems, data hubs, user data management programs and many more. Fields can vary from document to document.
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Documents contain one or more fields, including arrays, binary data and sub-documents. MongoDB stores data using a flexible document data model that is similar to JSON. Thanks to its rich feature set, MongoDB can be easily deployed within any production environment, regardless of its complexity, without compromising on performance, reliability and flexibility. MongoDB (from 'humongous') is a scalable, high-performance, open source NoSQL database written in C++. Its dynamic architecture allows quick and convenient schema changing, while also enabling you to perform basic administrative tasks, such as managing entries, running queries, manipulating and indexing data. Unlike relational databases, MongoDB is not based on tables, but relies on a document model, working with JSON that have a dynamic structure, in BSON format.
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MongoDB provides users with a NoSQL document database system whose advantages are related to scalability (being capable of handling large data sets) and dynamic schema structuring, which enables you to change the database content without delays.