Table of contents Getting Started About Connection Working with Connection Using ormconfig.json Connection Options Multiple connections Connection APIs Entity What is Entity? Embedded Entities Entity Inheritance Tree Entities View Entities Separating Entity Definition Relations What are Relations? One-to-One Many-to-one and One-to-Many Many-to-Many Eager and Lazy Relations Relations FAQ Entity Manager and Repository What is EntityManager Working with Repository Find Options Custom Repositories Entity Manager API Repository API Query Builder Select using Query Builder Insert using Query Builder Update using Query Builder Delete using Query Builder Working with Relations Caching Results Advanced Topics Using CLI Logging Listeners and Subscribers Indices Transactions Migrations Guides Active Record vs Data Mapper Working with MongoDB Using Validation Example with Express Usage with JavaScript Migration from Sequelize Help FAQ Supported Platforms Decorators reference Roadmap Changelog