Udemy – Nodejs ORM Prisma, TypeORM, Knex and Sequelize and MongoDB

Master database management in Node.js with hands-on projects using Prisma, TypeORM, Knex.js, Sequelize ORM, and MongoDB/Mongoose – Build production-ready applications. This comprehensive course takes you from beginner to advanced level in working with databases using Node.js. You’ll master the five most popular ORMs and database tools used in modern Node.js development: Prisma, TypeORM, Knex.js, Sequelize, and MongoDB with Mongoose.

Why This Course?

In today’s backend development landscape, choosing the right ORM can make or break your project. Each ORM has its strengths, use cases, and trade-offs. This course gives you hands-on experience with ALL major options so you can:

• Make informed decisions about which ORM fits your project
• Switch between ORMs confidently in different job roles
• Understand the underlying concepts that apply across all database tools
• Build production-ready applications with best practices

What Makes This Course Different:

• Practical, Project-Based Learning – Every concept is demonstrated with real code examples 
• Comparison Approach – See how the same operations work across different ORMs 
• Production Patterns – Learn migrations, transactions, relationships, and optimization 
• Modern Stack – TypeScript, Express, NestJS integration included 
• SQL & NoSQL – Cover both relational databases and MongoDB

Course Structure

Part 1: TypeORM

• Setup and configuration with TypeScript
• Entities, repositories, and data mapper pattern
• Relations (One-to-One, One-to-Many, Many-to-Many)
• QueryBuilder for complex queries
• Migrations and schema management
• Transactions and error handling
• Integration with Express and NestJS

Part 2: Prisma

• Prisma schema and data modeling
• Prisma Client and type-safe queries
• Relations and nested operations
• Migrations with Prisma Migrate
• Prisma Studio for database management
• Advanced filtering and pagination

Part 3: Sequelize

• Model definitions and validations
• Associations and eager loading
• Raw queries and transactions
• Hooks and lifecycle events
• CLI tools and migrations

Part 4: Knex.js

• Query builder fundamentals
• Schema building and migrations
• Raw SQL when needed
• Connection pooling
• Integration patterns

Part 5: MongoDB & Mongoose

• Document modeling with schemas
• CRUD operations
• Relationships (embedding vs referencing)
• Aggregation pipeline
• Indexing and performance
• Mongoose middleware and virtuals