Module 2: Schema Design

Module Overview

Master database schema design, migrations, and seeding with Knex.js.

Learning Objectives

  • Design efficient database schemas
  • Create and manage database migrations
  • Implement seeds for development and testing
  • Apply best practices for schema design

Module Content

1. Database Schema Design

Learn the principles of database schema design:

  • Identifying entities and relationships
  • Data types and constraints
  • Primary and foreign keys
  • Indexes and performance considerations

2. Migrations with Knex.js

Learn to create and manage database migrations:

  • Creating migration files
  • Implementing up and down functions
  • Running migrations
  • Rolling back changes

3. Seed Data

Understand how to seed a database with initial data:

  • Creating seed files
  • Inserting test data
  • Managing seed order for related tables
  • Using seeds for development and testing

4. Schema Design Best Practices

Apply best practices for database schema design:

  • Naming conventions
  • Avoiding redundancy
  • Using appropriate data types
  • Planning for future growth

Additional Resources

Knex.js Migrations Guide Knex.js Schema Builder SQLite Primary Key Tutorial Guided Project Repository

Reminder

Schema design is crucial for database performance and maintainability. Take time to properly plan your database structure before implementation.