What does mongodb mean?
MongoDB is a document-oriented, distributed database system used to store and manage large amounts of structured and unstructured data. Its core concepts include document storage and distribution, and its main features include dynamic schema, indexing, aggregation, map-reduce and replication. It is widely used in content management systems, e-commerce platforms, social media websites, IoT applications, and mobile application development.
What is MongoDB
MongoDB (full name MongoDB Database) is a document-oriented, distributed database system , used to store and manage large amounts of structured and unstructured data.
Document Storage
One of the core concepts of MongoDB is document storage. Documents are JSON-like objects containing collections of key-value pairs, making it easy to store complex and nested data structures. Unlike traditional relational databases, MongoDB documents do not require a predefined schema, which provides great flexibility and scalability.
Distributed
MongoDB is designed as a distributed system that can scale across multiple nodes and servers. This allows horizontal scalability to handle massive amounts of data and provide high availability.
Main Features
- Dynamic Mode: MongoDB documents do not require a strict schema and can adapt to changing data structures.
- Index: MongoDB supports indexing document fields to improve query performance.
- Aggregation: MongoDB provides a powerful aggregation framework for aggregating and analyzing data from document collections.
- Map-Reduce: MongoDB supports map-reduce operations for parallel processing of large data sets.
- Replication: MongoDB can be configured for master-slave replication to provide data redundancy and availability.
Application scenarios
MongoDB is widely used in a variety of applications due to its flexibility, scalability, and performance, including:
- Content Management System
- E-Commerce Platform
- Social Media Website
- IoT Application
- Mobile Application Development
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