![]() ![]() There are no schemas when it comes to collections. The entire collection exists within a single database. ![]() The RDBMS equivalent to a collection is a table. ![]() Each of the databases has its own set of files on the file system with multiple databases existing on a single MongoDB server.Ĭollection: A group of database documents can be called a collection. Here is an example of a document database in MongoDBĭatabase: In simple words, it can be called the physical container for data. What it means is that you can concentrate more on making your data work harder rather than spending more time preparing the data for the database. There is no downtime when you want to dynamically modify the schemas. The data model that MongoDB follows is a highly elastic one that lets you combine and store data of multivariate types without having to compromise on powerful indexing options, data access, and validation rules. This database uses a document storage format called BSON which is a binary style of JSON documents. It allows documents to have different fields and structures. The basic unit of data in this database consists of a set of key-value pairs. It is an architecture that is built on collections and documents. Being a NoSQL tool means that it does not use the usual rows and columns that you so much associate with relational database management. ![]()
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