Sequelize is a promise-based Node.js ORM for Postgres, MySQL, MariaDB, SQLite and Microsoft SQL Server. It features solid transaction support, relations, eager and lazy loading, read replication and more. Sequelize follows [Semantic Versioning](http://semver.org).
Sequelize is a promise-based [Node.js](https://nodejs.org/en/about/)[ORM tool](https://en.wikipedia.org/wiki/Object-relational_mapping) for [Postgres](https://en.wikipedia.org/wiki/PostgreSQL), [MySQL](https://en.wikipedia.org/wiki/MySQL), [MariaDB](https://en.wikipedia.org/wiki/MariaDB), [SQLite](https://en.wikipedia.org/wiki/SQLite) and [Microsoft SQL Server](https://en.wikipedia.org/wiki/Microsoft_SQL_Server). It features solid transaction support, relations, eager and lazy loading, read replication and more.
Sequelize follows [Semantic Versioning](http://semver.org) and supports Node v10 and above.
New to Sequelize? Take a look at the [Tutorials and Guides](https://sequelize.org/master). You might also be interested in the [API Reference](https://sequelize.org/master/identifiers).
### v6 Release
You can find detailed changelog [here](https://github.com/sequelize/sequelize/blob/main/docs/manual/other-topics/upgrade-to-v6.md).
You can find the detailed changelog [here](https://github.com/sequelize/sequelize/blob/main/docs/manual/other-topics/upgrade-to-v6.md).
## Note: Looking for maintainers!
## Looking for maintainers
Due to personal reasons a bigger part of the former core maintainers (thanks to all your hard work!) have been rather busy recently. Hence, the available time to look after our beloved ORM has been shrinking and shrinking drastically, generating a great chance for you:
Due to various personal reasons, a bigger part of the former core maintainers (thanks to all your hard work!) have been rather busy recently. Hence, the available time to look after our beloved ORM has been shrinking and shrinking drastically, generating a great chance for you:
We are looking for more core maintainers who are interested in finishing the current TypeScript migration, extending the documentation for v6, organizing issues, reviewing PRs, streamlining the overall code base and planning the future roadmap.
Sequelize is a promise-based Node.js [ORM](https://en.wikipedia.org/wiki/Object-relational_mapping) for [Postgres](https://en.wikipedia.org/wiki/PostgreSQL), [MySQL](https://en.wikipedia.org/wiki/MySQL), [MariaDB](https://en.wikipedia.org/wiki/MariaDB), [SQLite](https://en.wikipedia.org/wiki/SQLite) and [Microsoft SQL Server](https://en.wikipedia.org/wiki/Microsoft_SQL_Server). It features solid transaction support, relations, eager and lazy loading, read replication and more.
Sequelize is a promise-based [Node.js](https://nodejs.org/en/about/)[ORM tool](https://en.wikipedia.org/wiki/Object-relational_mapping) for [Postgres](https://en.wikipedia.org/wiki/PostgreSQL), [MySQL](https://en.wikipedia.org/wiki/MySQL), [MariaDB](https://en.wikipedia.org/wiki/MariaDB), [SQLite](https://en.wikipedia.org/wiki/SQLite) and [Microsoft SQL Server](https://en.wikipedia.org/wiki/Microsoft_SQL_Server). It features solid transaction support, relations, eager and lazy loading, read replication and more.
Sequelize follows [Semantic Versioning](http://semver.org) and supports Node v10 and above.
