MONGODB- FREE AND OPEN-SOURCE

MongoDB is developed by MongoDB Inc. and is free and open-source. It is cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON like documents with schemas. MongoDB can support field, range queries and regular expression searches. Fields in a MongoDB document can be indexed with primary and secondary indices. The main Benefits of MongoDB are it is Automated; Flexible, Secure, Scalable, High Available and it have High performance. MongoDB supports many data types. Some of them are String, Integer, Boolean, Double, Min/ Max keys, Arrays, Timestamp, Object, Null, Symbol, Binary data etc. MongoDB can be used as a file system with load balancing and data replication features over multiple machines for storing files. This function, called Grid File System and it is included with MongoDB drivers. MongoDB exposes functions for file manipulation and content to developers.

MongoDB was founded in 2007 and is known as the “database for giant ideas.” Developed by the people behind DoubleClick, ShopWiki, and Gilt Groupe, MongoDB is also backed by popular investors such as Fidelity Investments, The Goldman Sachs Group, Inc., and Intel Capital. Since its inception, MongoDB has been downloaded 15 million times and is supported by more than 1,000 partners. These partners are dedicated to this free and open source solution’s belief that coding and databases should be simple and natural.

Pros

• Document validation
• Encrypted storage engine
• Common use cases:
  • Mobile apps
  • Product catalogs
  • Content management
• Real-time apps with in-memory storage engine (beta)
• Reduces time between primary failure and recovery

Cons

• Doesn’t fit applications needing complex transactions
• Not a drop-in replacement for legacy applications
• Young solution: software changes and evolves quickly