Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.
npm install sequelize









Sequelize is an easy-to-use and promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, DB2, Microsoft SQL Server, and Snowflake. It features solid transaction support, relations, eager and lazy loading, read replication and more.
Would you like to contribute? Read our contribution guidelines to know more. There are many ways to help! 😃
We're looking for new maintainers to help finalize and release the next major version of Sequelize! If you're passionate about open-source and database ORMs, we'd love to have you onboard.
We’d love to have you on board! 🚀
Ready to start using Sequelize? Head to sequelize.org to begin!
- Our Getting Started guide for Sequelize 6 (stable)
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. ❤️
Please find upgrade information to major versions here:
- Documentation
- Databases Compatibility Table
- Changelog
- Discussions
- Slack
- Stack Overflow
- CLI
- With TypeScript
- Enhanced TypeScript with decorators
- For GraphQL
- For CockroachDB
- Awesome Sequelize
- For YugabyteDB
- English (Official)
- 中文文档 (Unofficial)
If you have security issues to report, please refer to our
Responsible Disclosure Policy for more details.