![]() ![]() Replication: MongoDB offers high availability of data by creating multiple copies of the data and sending these copies to a different Server so that if one Server fails, the data can still be retrieved from another Server.A large amount of data is partitioned into data chunks using the Shard Key, and these data chunks are evenly distributed across Shards that reside across many Physical Servers. Sharding refers to the process of distributing data across multiple Servers. Scalability: Sharding in MongoDB allows for horizontal scalability.Index-based Document: Every field in the Document in a MongoDB Database is indexed with Primary and Secondary Indices, which makes it easier to retrieve information from the pool of data. ![]() Owing to this feature, MongoDB offers great flexibility to the users. It is not necessary for one document to be similar to another which is a prerequisite in Relational Databases. In other words, in the MongoDB database, a single collection can hold multiple Documents, each of which can have a different number of Fields, Content, and Size.
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