Individual skill

database-schema-designer

Use when asked for an ERD, table relationships, normalization or a schema migration plan. Produces the ERD and normalized DDL with migration steps.

engineering/skills/database-schema-designer/SKILL.md

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Repository stars (not skill ratings): 29,647
Repository last updated: Nov 11, 2026
License: MIT

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# Database Schema Designer

**Tier:** POWERFUL  
**Category:** Engineering  
**Domain:** Data Architecture / Backend  

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## Overview

Design relational database schemas from requirements and generate migrations, TypeScript/Python types, seed data, RLS policies, and indexes. Handles multi-tenancy, soft deletes, audit trails, versioning, and polymorphic associations.

## Core Capabilities