MongoDB Learning Notes: Understanding and Installation

The first use of MongoDB in 2013, the project team for new product development, the use of MongoDB, as a team of testers, and then learned.

1. Learn about MongoDB

Mongo DB is a non-relational database (NOSQL) that is currently very popular in the IT industry, and its flexible data storage methods are favored by current it practitioners. Mongo DB is a good implementation of object-oriented thinking (Oo idea), in Mongo db each record is a document object. The biggest advantage of Mongo DB is that all data persistence requires no developers to write SQL statements manually, and it is easy to invoke methods to implement CRUD operations. (Excerpt from Baidu)

NOSQL, the full name is not-only Sql, refers to the non-relational database. The next generation of databases mainly solves several key points: non-relational, distributed, open-source, horizontally extensible. The original goal was for large-scale Web applications, which began in the early 2009 with features such as freedom of mode, support for simple replication, simple APIs, eventual consistency (non-acid), high-capacity data, and so on. NoSQL is the most used when the number of key-value storage, of course, there are other document-type, column storage, graph database, XML database and so on.

MongoDB has the following features:

　　

2. Installing MongoDB

• First step: Download the installation file, reference address: MongoDB
• Step two: The installation begins

MongoDB Learning Notes: Understanding and Installation