NestJs ORMs (Object Relational Mappers)
Osama Nasir
Senior Dot Net Developer | Back-End Developer | .NET | ASP.NET CORE | ASP.NET MVC | React | Entity Framework | Angular | SQL | Azure | AWS
When working with NestJS, the choice of ORM (Object-Relational Mapping) largely depends on your specific project requirements, but here are some of the most popular ORMs that work well with NestJS:
1. TypeORM
- Pros:
- Well-integrated with NestJS.
- Supports a wide range of databases (PostgreSQL, MySQL, SQLite, etc.).
- Active community and good documentation.
- Supports decorators, which align well with TypeScript.
- Cons:
- Can be overly complex for simple applications.
- Some users report issues with migrations.
2. Sequelize
- Pros:
- Mature and widely used.
- Supports multiple SQL databases.
- Good for complex queries and transactions.
- Cons:
- Not as TypeScript-friendly as TypeORM.
- Requires more boilerplate code.
3. MikroORM
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- Pros:
- Designed for TypeScript, providing a more seamless experience.
- Supports MongoDB, PostgreSQL, MySQL, and SQLite.
- Good performance and easy to use.
- Cons:
- Smaller community compared to TypeORM and Sequelize.
4. Prisma
- Pros:
- Modern and developer-friendly.
- Strong TypeScript support, with type-safe queries.
- Great tooling and documentation.
- Cons:
- Still relatively new compared to others.
- Requires a migration process for existing databases.
Conclusion
- Best Overall: TypeORM is often the go-to choice for many developers using NestJS due to its integration and feature set.
- For TypeScript Enthusiasts: MikroORM and Prisma are excellent options if you prioritize TypeScript support and developer experience.
- For Mature Applications: Sequelize remains a solid choice, especially for those familiar with its API.