<commit_before># Sequelize

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[![Merged PRs](https://badgen.net/github/merged-prs/sequelize/sequelize)](https://github.com/sequelize/sequelize)
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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).

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-beta Release

[![npm version](https://badgen.net/npm/v/sequelize/next)](https://www.npmjs.com/package/sequelize)

`v6-beta` is now available. You can find detailed changelog [here](https://github.com/sequelize/sequelize/blob/master/docs/manual/other-topics/upgrade-to-v6.md).

## Installation

```bash
$ npm install --save sequelize # This will install v5
$ npm install --save sequelize@next # This will install v6-beta

# And one of the following:
$ npm install --save pg pg-hstore # Postgres
$ npm install --save mysql2
$ npm install --save mariadb
$ npm install --save sqlite3
$ npm install --save tedious # Microsoft SQL Server
```

## Documentation
- [v6-beta Documentation](https://sequelize.org/master)
- [v5/v4/v3 Documentation](https://sequelize.org)
- [Contributing](https://github.com/sequelize/sequelize/blob/master/CONTRIBUTING.md)

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

## Resources
- [Changelog](https://github.com/sequelize/sequelize/releases)
- [Slack](http://sequelize-slack.herokuapp.com/)
- [Stack Overflow](https://stackoverflow.com/questions/tagged/sequelize.js)

### Tools
- [CLI](https://github.com/sequelize/cli)
- [With TypeScript](https://sequelize.org/master/manual/typescript.html)
- [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)
- [Plugins](https://sequelize.org/master/manual/resources.html)

### Translations
- [English](https://sequelize.org/master) (OFFICIAL)
- [中文文档](https://github.com/demopark/sequelize-docs-Zh-CN) (UNOFFICIAL)
<commit_msg>docs(README.md): update install instructions (#12120)<commit_after># Sequelize

[![npm version](https://badgen.net/npm/v/sequelize)](https://www.npmjs.com/package/sequelize)
[![Travis Build Status](https://badgen.net/travis/sequelize/sequelize?icon=travis)](https://travis-ci.org/sequelize/sequelize)
[![Appveyor Build Status](https://ci.appveyor.com/api/projects/status/9l1ypgwsp5ij46m3/branch/master?svg=true)](https://ci.appveyor.com/project/sushantdhiman/sequelize/branch/master)
[![codecov](https://badgen.net/codecov/c/github/sequelize/sequelize/master?icon=codecov)](https://codecov.io/gh/sequelize/sequelize)
[![npm downloads](https://badgen.net/npm/dm/sequelize)](https://www.npmjs.com/package/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)

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).

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-beta Release

[![npm version](https://badgen.net/npm/v/sequelize/next)](https://www.npmjs.com/package/sequelize)

`v6-beta` is now available. You can find detailed changelog [here](https://github.com/sequelize/sequelize/blob/master/docs/manual/other-topics/upgrade-to-v6.md).

## Installation

```sh
$ npm i sequelize # This will install v5
$ npm i sequelize@next # This will install v6-beta

# And one of the following:
$ npm i pg pg-hstore # Postgres
$ npm i mysql2
$ npm i mariadb
$ npm i sqlite3
$ npm i tedious # Microsoft SQL Server
```

## Documentation
- [v6-beta Documentation](https://sequelize.org/master)
- [v5/v4/v3 Documentation](https://sequelize.org)
- [Contributing](https://github.com/sequelize/sequelize/blob/master/CONTRIBUTING.md)

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

## Resources
- [Changelog](https://github.com/sequelize/sequelize/releases)
- [Slack](http://sequelize-slack.herokuapp.com/)
- [Stack Overflow](https://stackoverflow.com/questions/tagged/sequelize.js)

### Tools
- [CLI](https://github.com/sequelize/cli)
- [With TypeScript](https://sequelize.org/master/manual/typescript.html)
- [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)
- [Plugins](https://sequelize.org/master/manual/resources.html)

### Translations
- [English](https://sequelize.org/master) (OFFICIAL)
- [中文文档](https://github.com/demopark/sequelize-docs-Zh-CN) (UNOFFICIAL)

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