TypeORM
UnclaimedCode with confidence and query with power using this flexible ORM for TypeScript and JavaScript.
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Tracked since2026
0 reviews trackedThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Offers flexibility with two popular ORM patterns (DataMapper and ActiveRecord).
TL;DR - TypeORM
- Supports both DataMapper and ActiveRecord patterns for flexible data interaction.
- Built with TypeScript for complete type safety and works with multiple databases.
- Provides a powerful QueryBuilder and first-class support for database migrations.
Pricing: Free forever
Best for: Individuals & startups
What is TypeORM?
TypeORM is an Object Relational Mapper (ORM) that can run in various JavaScript environments like Node.js, browsers, and mobile applications. It provides an elegant, type-safe API for interacting with databases, allowing developers to define entities and manage data with ease. It supports both DataMapper and ActiveRecord patterns, offering flexibility in how developers structure their database interactions.
This ORM is built with TypeScript first, ensuring complete type safety for database models, which helps in catching errors early and improving code maintainability. It boasts extensive multi-database support, working seamlessly with popular relational and NoSQL databases such as MySQL, PostgreSQL, MongoDB, and more. TypeORM is designed for developers who need a robust and flexible solution for database abstraction in their JavaScript/TypeScript projects, simplifying complex queries and schema management through features like a powerful QueryBuilder and first-class migration support.
TypeORM is ideal for developers building applications across various platforms, from web servers to mobile apps, who prioritize type safety, database flexibility, and efficient data management. Its comprehensive feature set, including automatic migration generation and cross-platform compatibility, makes it a valuable tool for modern application development.
Available on: Web, iOS, Android, Windows, macOS, Linux
Pros & Cons
Pros
- Offers flexibility with two popular ORM patterns (DataMapper and ActiveRecord).
- Provides strong type safety due to its TypeScript-first design.
- Supports a wide range of databases, increasing versatility.
- Simplifies complex query building and database schema management.
- Works across many JavaScript environments, from backend to mobile.
Key Features
DataMapper pattern supportActiveRecord pattern supportTypeScript-first developmentMulti-database support (MySQL, PostgreSQL, MongoDB, etc.)Powerful QueryBuilder with joins, pagination, and cachingDatabase migrations with automatic generationCross-platform compatibility (Node.js, Browser, Mobile, Electron)
Pricing
Free
TypeORM is completely free to use with no hidden costs.
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TypeORM FAQ
Does TypeORM offer different architectural approaches for defining database interactions?
Yes, TypeORM supports both the DataMapper and ActiveRecord patterns. This flexibility allows developers to choose the approach that best fits their project's design principles and their personal preference.
Which specific database systems are compatible with TypeORM?
TypeORM provides broad compatibility, supporting databases such as MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB, CockroachDB, SAP HANA, and Google Spanner.
Can TypeORM be used in client-side applications or only server-side Node.js environments?
TypeORM is designed for cross-platform use and can operate in various environments beyond Node.js, including browsers, Cordova, Ionic, React Native, NativeScript, Expo, and Electron applications.
How does TypeORM handle database schema changes and version control?
TypeORM offers first-class support for database migrations. It includes functionality for automatic generation of migration files to manage schema evolution effectively.
What advantages does TypeORM's QueryBuilder provide for complex data retrieval?
The QueryBuilder in TypeORM offers an elegant syntax for constructing complex queries. It supports advanced features like joins, pagination, and caching to optimize data retrieval operations.
Source: typeorm.io