Mermaid ERD Diagram Patterns

Overview

Mermaid ERD diagrams document Gold layer data models with clean, maintainable syntax. This skill standardizes ERD organization strategies, syntax standards, and relationship patterns for production-grade data modeling documentation.

When to Use This Skill

• Documenting Gold layer data models
• Creating master ERDs for complete models
• Creating domain-specific ERDs for focused views
• Creating summary ERDs for large models (20+ tables)
• Establishing ERD organization strategies
• Standardizing relationship notation

Critical Rules

1. ERD Organization Strategy