Lesson two MongoDB Data model

1. Course Outline

This course introduces the knowledge of MONGODB data model, including the basic concepts of documents, collections and databases, usage methods and naming rules, the introduction of MONGODB basic data types and the introduction and use of MongoDB shell.

• Document and Collection
• MongoDB data type
• Introduction and use of MongoDB shell

2. Course Introduction

This lesson will explain the MongoDB data type, first a simple introduction to the MongoDB data type, and then a few of them are more important and we are often used in the actual project data types to do a detailed introduction, these data types include: basic data type, date type, The timestamp timestamp type, the ObjectId type mentioned in the last lesson, the inline document, and the array type.
The MongoDB shell is a JavaScript shell that comes with MongoDB, is released with MongoDB, is launched using the MONGO program in the installation package, and the MongoDB shell is a client tool for a MONGODB database. It is similar to the MySQL database used on the command line of the client, here we can use commands in the shell and the MongoDB database service interaction, including: Data curd, copy set, shard Cluster Management, State view, etc., which can be done through the MongoDB Shell.

3. Detailed Course Video

Video course links are as follows: MongoDB data Model

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Lesson two MongoDB Data model