npm package: @rematter/sequelize
Description: 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.
Latest version: 6.25.2-20251114

<p align="center">
  <img src="logo.svg" width="100" alt="Sequelize logo" />
  <h1 align="center"><a href="https://sequelize.org">Sequelize</a></h1>
</p>

[![npm version](https://badgen.net/npm/v/sequelize)](https://www.npmjs.com/package/sequelize)
[![Build Status](https://github.com/sequelize/sequelize/workflows/CI/badge.svg)](https://github.com/sequelize/sequelize/actions?query=workflow%3ACI)
[![npm downloads](https://badgen.net/npm/dm/sequelize)](https://www.npmjs.com/package/sequelize)
[![contributors](https://img.shields.io/github/contributors/sequelize/sequelize)](https://github.com/sequelize/sequelize/graphs/contributors)
[![Open Collective](https://img.shields.io/opencollective/backers/sequelize)](https://opencollective.com/sequelize#section-contributors)
[![sponsor](https://img.shields.io/opencollective/all/sequelize?label=sponsors)](https://opencollective.com/sequelize)
[![Merged PRs](https://badgen.net/github/merged-prs/sequelize/sequelize)](https://github.com/sequelize/sequelize)
[![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)

Sequelize is an easy-to-use and 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), [DB2](https://en.wikipedia.org/wiki/IBM_Db2_Family), [Microsoft SQL Server](https://en.wikipedia.org/wiki/Microsoft_SQL_Server), and [Snowflake](https://www.snowflake.com/). It features solid transaction support, relations, eager and lazy loading, read replication and more.

Would you like to contribute? Read [our contribution guidelines](https://github.com/sequelize/sequelize/blob/main/CONTRIBUTING.md) to know more. There are many ways to help! 😃

## :computer: Getting Started

Ready to start using Sequelize? Head to [sequelize.org](https://sequelize.org) to begin!

- [Our Getting Started guide for Sequelize 6 (stable)](https://sequelize.org/docs/v6/getting-started)

## :money_with_wings: Supporting the project

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](https://opencollective.com/sequelize) which is shared amongst all core maintainers based on their contributions. Every support is wholeheartedly welcome. ❤️

## :pencil: Major version changelog

Please find upgrade information to major versions here:

- [Upgrade from v5 to v6](https://sequelize.org/docs/v6/other-topics/upgrade-to-v6)

## :book: Resources

- [Documentation](https://sequelize.org)
- [Databases Compatibility Table](https://sequelize.org/releases/)
- [Changelog](https://github.com/sequelize/sequelize/releases)
- [Discussions](https://github.com/sequelize/sequelize/discussions)
- [Slack Inviter](http://sequelize-slack.herokuapp.com/)
- [Stack Overflow](https://stackoverflow.com/questions/tagged/sequelize.js)

### :wrench: Tools

- [CLI](https://github.com/sequelize/cli)
- [With TypeScript](https://sequelize.org/docs/v6/other-topics/typescript)
- [Enhanced TypeScript with decorators](https://github.com/RobinBuschmann/sequelize-typescript)
- [For GraphQL](https://github.com/mickhansen/graphql-sequelize)
- [For CockroachDB](https://github.com/cockroachdb/sequelize-cockroachdb)
- [Awesome Sequelize](https://sequelize.org/docs/v6/other-topics/resources/)
- [For YugabyteDB](https://github.com/yugabyte/sequelize-yugabytedb)

### :speech_balloon: Translations

- [English](https://sequelize.org) (Official)
- [中文文档](https://github.com/demopark/sequelize-docs-Zh-CN) (Unofficial)

## :warning: Responsible disclosure

If you have security issues to report, please refer to our
[Responsible Disclosure Policy](https://github.com/sequelize/sequelize/blob/main/SECURITY.md) for more details.