What is MongoDB?

MongoDB is a widely-used NoSQL database known for its document-oriented structure and flexibility, which diverges from traditional relational databases by storing data in flexible, JSON-like documents. This open-source database offers high performance and scalability through features such as horizontal scalability, sharding, and replica sets, while supporting efficient data retrieval via indexing and a JSON-like query language. Its aggregation framework and geospatial capabilities facilitate complex data operations and location-based queries, respectively. MongoDB supports ad hoc queries and real-time updates through change streams, and its GridFS feature allows for the storage of large files. While MongoDB provides schema flexibility, it also adheres to ACID properties in specific configurations, ensuring data consistency and reliability. This versatility makes it suitable for a range of applications, including content management systems, real-time analytics, IoT, e-commerce, mobile application backends, social media, and geospatial applications.