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mongodb Introduction

MongoDB is a popular NoSQL document-oriented database that uses a flexible JSON-like format to store and manage data. It was first released in 2009 and has since become one of the most widely used NoSQL databases, particularly in web and mobile applications.

Unlike traditional relational databases, MongoDB uses a document-based data model that allows for the storage of complex and hierarchical data structures. Each document is stored as a JSON object, which can contain multiple fields and sub-documents. This makes it easy to store and manage unstructured and semi-structured data, which is often difficult to do with traditional databases.

Some of the key features of MongoDB include:

  • High availability and scalability: MongoDB is designed to be highly available and can scale horizontally to handle large amounts of data and traffic.

  • Dynamic schema: MongoDB's flexible data model allows for changes to be made to the schema without needing to update all the documents in the database.

  • Rich query language: MongoDB's query language, called the MongoDB Query Language (MQL), supports a wide range of queries, including geospatial and text search queries.

  • Indexing: MongoDB supports indexing for efficient query execution.

  • Replication and sharding: MongoDB supports replication for fault tolerance and sharding for horizontal scaling.