Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, DB2 and Microsoft SQL Server. It features solid transaction support, relations, eager and lazy loading, read replication and more.
Sequelize follows Semantic Versioning and the official Node.js LTS schedule. Version 7 of Sequelize officially supports the Node.js versions ^12.22.0, ^14.17,0, ^16.0.0. Other version might be working as well.
New to Sequelize? Take a look at the Tutorials and Guides. You might also be interested in the API Reference.
Would you like to contribute? Read our contribution guidelines to know more. There are many ways to help.
Please find upgrade information to major versions here:
Do you like Sequelize and would like to give back to the engineering team behind it?
We have recently created an OpenCollective based money pool which is shared amongst all core maintainers based on their contributions. Every support is wholeheartedly welcome. ❤️
npm i sequelize # This will install latest version of Sequelize
# Libraries used for supported dialects are :
npm i pg pg-hstore # PostgreSQL
npm i mysql2 # MySQL
npm i mariadb # MariaDB
npm i sqlite3 # SQLite
npm i tedious # Microsoft SQL Server
npm i ibm_db # DB2If you have security issues to report, please refer to our Responsible Disclosure Policy for more details.