How can I effectively use ORMs in Node.js for scaling my application?

How can I effectively use ORMs in Node.js for scaling my application?

Using ORMs in Node.js can simplify database interactions and improve scalability. You can start by choosing a popular ORM like Sequelize or TypeORM.

What are the benefits of using an ORM over raw SQL?

ORMs provide abstraction, making it easier to manage database schemas and relationships. They also help prevent SQL injection and improve code readability.

Can you give me an example of how to set up Sequelize in a Node.js project?

Sure! First, install Sequelize and the database driver. Then, initialize Sequelize and define your models. Here's a basic setup:

const { Sequelize, DataTypes } = require('sequelize');
const sequelize = new Sequelize('database', 'username', 'password', {
  host: 'localhost',
  dialect: 'mysql',
});

const User = sequelize.define('User', {
  username: { type: DataTypes.STRING, allowNull: false },
  password: { type: DataTypes.STRING, allowNull: false },
});

How do I handle migrations with Sequelize?

You can use Sequelize CLI to manage migrations. First, install it, then create migration files using sequelize migration:create --name migration_name. Run migrations with sequelize db:migrate.