Sequelize

Sequelize is a promise-based Node.js ORM for Postgres, MySQL, SQLite and Microsoft SQL Server. It features solid transaction support, relations, read replication and more.

Table of Contents

• Installation
• Features
• Responsible disclosure
• Documentation
• Resources

Installation

$ npm install --save sequelize

# And one of the following:
$ npm install --save pg pg-hstore
$ npm install --save mysql2
$ npm install --save sqlite3
$ npm install --save tedious # MSSQL

Sequelize follows SEMVER. Supports Node v4 and above to use ES6 features.

Features

• Schema definition
• Schema synchronization/dropping
• 1:1, 1:M & N:M Associations
• Through models
• Promises
• Hooks/callbacks/lifecycle events
• Prefetching/association including
• Transactions
• Migrations
• CLI (sequelize-cli)

Responsible disclosure

If you have any security issue to report, contact project maintainers privately. You can find contact information here

Documentation

• Contributing
• v4 Documentation
• v3 Documentation
• v3 to v4 Upgrade Guide

Resources

• Changelog
• Slack
• Google Groups

Tools

• Add-ons & Plugins
• Sequelize & TypeScript

Learning

• Getting Started
• Express Example

Translations

• English v4 (OFFICIAL)
• 中文文档 v4 (UNOFFICIAL)