Sequelize vs TypeORM

November 06, 2021

Sequelize vs TypeORM: Choosing the Right ORM for your Web Development Needs

Choosing an Object-Relational Mapping (ORM) for your web development project can be daunting. The market currently offers a wide range of options, making choosing the right one a challenge. This post looks at Sequelize and TypeORM to help you make an informed decision.

What is Sequelize?

Sequelize is a Node.js ORM that provides support for SQL databases. It is primarily used by developers making use of relational databases like MySQL, PostgreSQL, and SQLite. Sequelize embodies a simple and straightforward API for working with databases, making it a favorite among developers.

What is TypeORM?

TypeORM is a full-featured ORM library that provides support for both SQL databases (like Sequelize) and NoSQL databases like MongoDB. It offers custom Repository, Active Record, and Data Mapper patterns to help you manage complex database interactions in your web applications. Unlike Sequelize, it also provides for schema synchronization with the database.

Comparison

Both Sequelize and TypeORM have their advantages and disadvantages. Here are some differences you should consider when choosing between them.

Ease of Use

Sequelize has a simple and straightforward API that fewer developers find intimidating. Its architecture is linear, making it easy to follow and understand. On the other hand, TypeORM has a powerful typing system that requires expertise to use effectively.

Support and Development

Sequelize is more mature and well-established as it has been in use for over 10 years. Its extensive documentation is a testament to the thriving developer community behind it. Conversely, TypeORM is relatively new to the market, with its latest major version only launched in 2020. Therefore, it is still a work-in-progress, which means fewer resources are available.

Performance and Scalability

TypeORM tends to be slower and less scalable than Sequelize. Nonetheless, it offers additional functionalities, including cascading insertion, eager loading, and join queries, which developers can take advantage of.

Conclusion

Both Sequelize and TypeORM are effective ORMs that can help you achieve your web development needs. However, the choice of which to use depends primarily on your needs. Are you looking for speed or functionality? Ease of use or extensive documentation? This article provides the necessary information to help you make an informed decision.

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