Each list item contains the name of the collection or view, as well as other general information about the collection or view. The Collections screen displays a list of all of the collections and views that are currently active in the selected database. The Collections screen _ the existing collections. Within a single database, there is a collection of items.Ħ. In a relational database system, a collection is equivalent to a table in terms of functionality. Documents within a collection can have a variety of different fields assigned to them. A collection is a collection of MongoDB documents that have been grouped together. Collections in relational databases are analogous to tables in a relational database. Other documents, arrays of documents, and arrays of arrays of documents may be used as values in fields. Documents in MongoDB are similar to JSON objects in appearance. The binary file MongoDB is used by the server, and the mongo client is used by the client.Ī record in MongoDB is a document, which is a data structure composed of field and value pairs that represents a single instance of the database. MongoDB is a distributed database that runs on both servers and clients. MongoDB is capable of storing virtually any data model that can be expressed as a JSON document with relative ease. JSON documents are contained within each of the individual collections. MongoDB is a NoSQL database that is among the most popular. MongoDB is one of the leading NoSQL databases? Companies all over the world have defined clusters, with some of them running 100 or more nodes and containing hundreds of thousands of documents in the database at any given time.ģ. It is very easy to scale up and down the MongoDB environments. The data model provided by MongoDB makes it easier to represent hierarchical relationships, to store arrays, and to store other more complicated structures. The data model available within MongoDB allows us to represent _.
MongoDB is built around the concepts of collection and document storage.Ģ.
MongoDB is a document-oriented database that is available on a variety of platforms and offers high performance, high availability, and easy scalability. MongoDB is a document database that is designed to be simple to develop and scale with the needs of modern applications. A separate set of files is created on the file system for each database. Amongst which of the following is / are true about MongoDB?Ī database is a physical container for storing information about collections. MongoDB MCQs: This section contains multiple-choice questions and answers on the various topics of MongoDB. It is currently one of the most powerful NoSQL systems and databases available on the market. MongoDB is an open-source database that employs a document-oriented data model as well as a non-structured query language to facilitate data exploration.
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It also has full indexing and replication support, as well as a rich and intuitive API that makes it easy to use. The MongoDB database has a flexible data model that allows you to store unstructured data. MongoDB is a non-relational document database that supports JSON-like storage and is designed to be used with web applications.
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