Database Schema Designer

Design production-ready database schemas with built-in best practices. Covering SQL normalization, indexing strategy, migration management with safe rollback patterns, query optimization, and multi-tenant architecture patterns across PostgreSQL, MySQL, SQLite, MongoDB, and Vitess.

When to Use This Skill

Use this skill when:

• Designing a new database schema from scratch
• Reviewing an existing schema for performance or correctness
• Planning a database migration with safe rollback
• Optimizing slow queries on a production database
• Converting between database engines (MySQL → PostgreSQL, etc.)
• Designing multi-tenant data architectures
• Any request like "design a schema for X", "review my database", "optimize this query", "create migrations", "normalize this table"