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Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB (v6), DB2 and DB2 for IBM i.

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sequelize/sequelize

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Sequelize logo

npm version npm downloads contributors Open Collective sponsor Merged PRs semantic-release License: MIT

Sequelize is an easy-to-use and promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, DB2, Microsoft SQL Server, Snowflake, Oracle DB and Db2 for IBM i. 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! 😃

💻 Getting Started

Ready to start using Sequelize? Head to sequelize.org to begin!

💸 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 which is shared amongst all core maintainers based on their contributions. Every support is wholeheartedly welcome. ❤️

📝 Major version changelog

Please find upgrade information to major versions here:

📖 Resources

🔧 Tools

💬 Translations

⚠️ Responsible disclosure

If you have security issues to report, please refer to our Responsible Disclosure Policy for more details.