Which is Better Node.js ORM Libraries?
sequelize vs typeorm vs knex vs bookshelf
1 Year
sequelizetypeormknexbookshelfSimilar Packages:
What's Node.js ORM Libraries?

Node.js ORM libraries provide developers with an abstraction layer for interacting with databases, allowing them to work with database records as JavaScript objects. These libraries facilitate the management of database queries, relationships, and migrations, enhancing productivity and code maintainability. Each library has its unique features and design philosophies, catering to different project requirements and developer preferences.

NPM Package Downloads Trend
Github Stars Ranking
Stat Detail
Package
Downloads
Stars
Size
Issues
Publish
License
sequelize2,033,13329,5362.91 MB94218 days agoMIT
typeorm1,992,73234,15420.4 MB2,5829 months agoMIT
knex1,811,63119,288874 kB1,15410 months agoMIT
bookshelf61,9546,359-2364 years agoMIT
Feature Comparison: sequelize vs typeorm vs knex vs bookshelf

Database Support

  • sequelize: Sequelize supports a wide range of SQL databases including PostgreSQL, MySQL, MariaDB, SQLite, and Microsoft SQL Server, providing a robust solution for diverse database environments.
  • typeorm: TypeORM supports various SQL databases like MySQL, PostgreSQL, MariaDB, SQLite, and Microsoft SQL Server, and also offers support for MongoDB, making it a flexible choice for different database types.
  • knex: Knex is primarily a SQL query builder that supports multiple databases such as PostgreSQL, MySQL, SQLite, and Oracle, allowing developers to write database-agnostic queries.
  • bookshelf: Bookshelf supports various SQL databases through Knex.js, including PostgreSQL, MySQL, and SQLite, making it versatile for different project needs.

Learning Curve

  • sequelize: Sequelize has a steeper learning curve due to its extensive feature set and conventions, but it offers comprehensive documentation and examples to help new users get started.
  • typeorm: TypeORM has a moderate to steep learning curve, particularly for those unfamiliar with TypeScript or decorators, but it provides a rich set of features that can be very beneficial for complex applications.
  • knex: Knex has a moderate learning curve, as it requires understanding SQL syntax and query building, but its flexibility allows developers to gradually learn as they build more complex queries.
  • bookshelf: Bookshelf has a relatively low learning curve, especially for those familiar with Knex.js, as it provides a simple API for defining models and relationships without overwhelming complexity.

Extensibility

  • sequelize: Sequelize offers a variety of hooks and lifecycle events that allow for extensive customization and extensibility, enabling developers to implement complex business logic easily.
  • typeorm: TypeORM provides a robust extensibility model with decorators, custom repositories, and event listeners, allowing developers to create highly customized data models and interactions.
  • knex: Knex is highly extensible, allowing developers to create custom query builders and plugins, making it suitable for projects that require unique database interactions.
  • bookshelf: Bookshelf is extensible through plugins and custom model methods, allowing developers to tailor the ORM to their specific needs without significant overhead.

Performance

  • sequelize: Sequelize provides good performance for most applications, but its extensive feature set can introduce overhead. Proper indexing and query optimization are essential for maintaining performance.
  • typeorm: TypeORM is optimized for performance, particularly in TypeScript applications, but it can introduce some overhead with its advanced features. Proper configuration and usage patterns can help mitigate performance issues.
  • knex: Knex is designed for performance, allowing developers to write optimized SQL queries directly, which can lead to better performance in high-load scenarios.
  • bookshelf: Bookshelf's performance is generally good for most applications, but it may not be as optimized for large-scale applications compared to more complex ORMs due to its simplicity.

Community and Support

  • sequelize: Sequelize boasts a large and active community, with extensive documentation, tutorials, and third-party resources available, making it easy to find help and examples.
  • typeorm: TypeORM has a growing community, especially among TypeScript developers, with good documentation and community support, although it may not be as large as Sequelize's.
  • knex: Knex has a strong community and is widely used, providing ample resources, documentation, and community support for developers.
  • bookshelf: Bookshelf has a smaller community compared to others, but it benefits from the Knex.js community for support and resources.
How to Choose: sequelize vs typeorm vs knex vs bookshelf
  • sequelize: Opt for Sequelize if you need a feature-rich ORM that supports multiple SQL dialects, offers a wide range of built-in functionalities like migrations, validations, and associations, and has a strong community and documentation for support.
  • typeorm: Choose TypeORM if you are working with TypeScript and need an ORM that fully integrates with it, offering decorators and a powerful entity management system. It's suitable for complex applications that require advanced features like lazy loading and caching.
  • knex: Select Knex if you need a flexible SQL query builder that allows you to write raw SQL queries while still providing some ORM-like features. It's ideal for projects where you want fine-grained control over SQL syntax and database interactions.
  • bookshelf: Choose Bookshelf if you prefer a simple and lightweight ORM that is built on top of Knex.js, providing a straightforward way to manage relations and models without the complexity of a full-fledged ORM.
README for sequelize

Sequelize logo

Sequelize

npm version Build Status 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, 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! 😃

:computer: Getting Started

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

: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 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:

:book: Resources

:wrench: Tools

:speech_balloon: Translations

:warning: Responsible disclosure

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