MongoDB的安装指南
0. 环境说明:Ubuntu 14.04, MongoDB2.6.1 1.导入MongoDB中public Key到Ubuntu包系统中 2. 在Sources列表中创建MongoDB的文件 3. 重新加载本地的文件包库列表 4. 安装MongoDB数据库 5. 启动MongoDB 6. 启动MongoDB shell,shell提供了一个类SQLConsole的方式
0. 环境说明:Ubuntu 14.04, MongoDB2.6.1
1.导入MongoDB中public Key值到Ubuntu包系统中
2. 在Sources列表中创建MongoDB的文件
3. 重新加载本地的文件包库列表
4. 安装MongoDB数据库
5. 启动MongoDB
6. 启动MongoDB shell,shell提供了一个类似SQLConsole的方式,允许用户直接操控数据库。
7. 关闭MongoDB
数据库,天然支持分布式部署,线性扩展极为的简便,同时提供了类似SQL的强大查询机制以及多索引,在同类的NoSQL数据库功能非常完备。

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The data of the MongoDB database is stored in the specified data directory, which can be located in the local file system, network file system or cloud storage. The specific location is as follows: Local file system: The default path is Linux/macOS:/data/db, Windows: C:\data\db. Network file system: The path depends on the file system. Cloud Storage: The path is determined by the cloud storage provider.

The MongoDB database is known for its flexibility, scalability, and high performance. Its advantages include: a document data model that allows data to be stored in a flexible and unstructured way. Horizontal scalability to multiple servers via sharding. Query flexibility, supporting complex queries and aggregation operations. Data replication and fault tolerance ensure data redundancy and high availability. JSON support for easy integration with front-end applications. High performance for fast response even when processing large amounts of data. Open source, customizable and free to use.

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.

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The MongoDB database file is located in the MongoDB data directory, which is /data/db by default, which contains .bson (document data), ns (collection information), journal (write operation records), wiredTiger (data when using the WiredTiger storage engine ) and config (database configuration information) and other files.
