Installing MongoDB using yum is fairly straight forward. This article is the 1st part in a series of articles on MongoDB. You can also scale across servers for high availability. This also provides replication across servers with the ability to fail-over automatically. High performance and scalability are possible because there are no joins, and no multi-document transactions performed on MongoDB. The schema is embedded in the data document itself, making it easy for you to change the schema at anytime without worrying about changing any of the previous documents that are loaded. Unlike traditional SQL database, you don’t need to define a schema. MongoDB is a schema-free document-oriented database.
The focus of the MongoDB is on scalability and performance.
MongoDB is developed and commercially supported by the company 10gen. The name MongoDB was derived from Hu mongous DB.
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