Introduction to TypeORM
Explore the foundational concepts of TypeORM, a TypeScript-based ORM for Node.js. Understand key decorators, entity relationships, and how to use the Repository API in a NestJS environment for efficient database management.
We'll cover the following...
Overview
TypeORM has first-class support for TypeScript ORM in Node.js since it’s built purely on TypeScript. With TypeORM, like with every other ORM, we can easily work with any SQL database of our choice. TypeORM provides simple JavaScript methods and functions that can be easily understood.
Design pattern
One key aspect of TypeORM is its design pattern. This is another property that makes TypeORM unique among ORMs. The design pattern for TypeORM is the decorative design pattern. In the decorative design pattern, we can add behaviors dynamically to an object or class.
As the name implies, decorators are like icing on a cake. The cake (class/object) retains its taste ...