Скачать или смотреть Sequelize Associations (hasOne, hasMany, belongsTo, belongsToMany) - Rest API with NodeJS and MySQL

Simplified explanation on Sequelize Associations (hasOne, hasMany, belongsTo, belongsToMany) with NodeJs and MySQL. Sequelize is a NodeJS ORM for MySQL. In this video we gonna cover hasOne, hasMany, belongsTo, and belongsToMany methods provided by Sequelize to create relationships between tables in MySQL databases.

Code repo on Github: https://github.com/tharindulucky/blog...

00:00 Intro
00:57 Project overview
01:41 Introduction to Sequelize Relationships (Associations)
04:50 One to one Relationships implementation
17:00 One to many Relationships implementation
19:54 Many to many Relationships implementation
30:45 Implement relationships on our existing application
33:45 Outro

There are 3 types to Relationships (Associations):

One to one (1:1) - hasOne, belongsTo,
One to many (1:m) - hasMany,
Many to many (m:n) - belongsToMany

First we gonna learn all the types of associations theoretically with the practical examples using the dataset we have in our system and after that we gonna apply what we learned to our existing application which is a Blog API.

Watch the full video and kindly drop a comment if there's anything to be clarified. And also suggest me a video topic to for my next videos.

In the previous video we learned how run Seeds on our database.

   • Run Seeders with Node JS and Sequelize - R...  

This is the part 12 of the tutorial series, How to Create REST API with NodeJS and MySQL using Express and Sequelize.

Watch the Series from the beginning:

   • Create REST API with NodeJS and MySQL (2020)  

Connect to Database with Sequelize:

   • Models, Migrations and Connecting to a Dat...  

Implement CRUD with NodeJS and Sequelize

   • Implement CRUD - Create, Read, Update and ...  

Implement Authentication with NodeJS and JsonWebToken

   • Authentication in NodeJS - REST API with N...  

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