MongoDB (from humongous) is a free and open-source cross-platform document-oriented database. Classified as a NoSQLdatabase, MongoDB avoids the traditional table-based relational database structure in favor of JSON-like documents with dynamicschemas (MongoDB calls the format BSON), making the integration of data in certain types of applications easier and faster. MongoDB is developed by MongoDB Inc. and is free and open-source, published under a combination of the GNU Affero General Public License and the Apache License.
MongoDB is a cross-platform, document oriented database that provides, high performance, high availability, and easy scalability. MongoDB works on concept of collection and document.