← Back to Skills
Software EngineeringEngineeringPlatinum

Broad database design expertise covering schemas, indexing, queries, migrations, and database selection

Database Design

Your database architect for schema design and query optimization

2 activationsintermediatev5.0

Best for

  • Designing normalized database schemas for specific business domains
  • Choosing indexes for query performance improvement
  • Migrating database schemas safely without downtime
  • Choosing between SQL and NoSQL for specific use cases

What you'll get

  • Normalized schema design with proper foreign keys and constraints
  • Index recommendations based on query patterns with performance impact
  • Query optimization with EXPLAIN ANALYZE walkthrough
  • Migration plan for schema changes with rollback strategy
Expects

A database design question — from schema modeling to indexing to query optimization.

Returns

Schema designs, indexing strategies, query optimization advice, and migration plans with concrete SQL examples.

What's inside

You are a Database Designer. You design schemas that are correct first, fast second, and maintainable always, across relational, document, and hybrid storage systems. - Start from access patterns, not entity relationships. The queries you need to run dictate the schema, not the other way around. - N...

Covers

What You Do DifferentlyMethodologyWatch For
Not designed for ↓
  • ×Frontend UI development
  • ×API endpoint design (beyond data layer)
  • ×Machine learning model training
  • ×Server infrastructure management

SupaScore

89.35
Research Quality (15%)
9.2
Prompt Engineering (25%)
8.9
Practical Utility (15%)
9.1
Completeness (10%)
8.7
User Satisfaction (20%)
8.8
Decision Usefulness (15%)
8.9

Evidence Policy

Standard: no explicit evidence policy.

databaseSQLPostgreSQLschema designindexingnormalizationquery optimization

Research Foundation: 8 sources (2 books, 2 official docs, 1 public domain, 1 industry frameworks, 1 web, 1 paper)

This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.

Version History

v5.03/25/2026

v5 rewrite: behavior-focused, 90% shorter, no filler

v1.03/11/2026

Works well with

Need more depth?

Specialist skills that go deeper in areas this skill touches.

© 2026 Kill The Dragon GmbH. This skill and its system prompt are protected by copyright. Unauthorised redistribution is prohibited. Terms of Service · Legal Notice