Relational Databases

Purpose

This skill guides relational database selection and implementation across multiple languages. Choose the optimal database engine, ORM/query builder, and deployment strategy for transactional systems, CRUD applications, and structured data storage.

When to Use This Skill

Trigger this skill when:

• Building user authentication, content management, e-commerce applications
• Implementing CRUD operations (Create, Read, Update, Delete)
• Designing data models with relationships (users → posts, orders → items)
• Migrating schemas safely in production
• Setting up connection pooling for performance
• Evaluating serverless database options (Neon, PlanetScale, Turso)
• Integrating with frontend skills (forms, tables, dashboards, search-filter)