MakeCharts LogoMakeCharts
ChartsTemplatesTools
Language
Get Started
AI Chart Template

Database ER Diagram with Crow's Foot Notation

A complete e-commerce database schema template using crow's foot notation to clearly show entity relationships, cardinality, and key constraints.

ER DiagramDatabase DesignCrow's Foot NotationE-Commerce Schema
AI-Powered

What This Template Offers

A production-ready e-commerce database ER diagram with crow's foot notation, covering 7 entities and 8 relationships with full cardinality and key constraint detail.

  • 7 fully defined entities: CUSTOMER, ADDRESS, ORDER, ORDER_ITEM, PRODUCT, CATEGORY, and SUPPLIER
  • Crow's foot notation with precise cardinality (one-to-many, zero-or-more) on every relationship line
  • Primary keys (PK), foreign keys (FK), and unique keys (UK) clearly labeled on each attribute
  • Self-referencing CATEGORY entity to model hierarchical subcategories
  • Left-to-right layout with zoom and pan enabled for navigating complex schemas

Perfect Use Cases

Database Design and Documentation

Use this template as a starting point for your own relational database. Adapt entities and relationships to match your schema and share it with your team as living technical documentation.

Software Architecture Reviews

Present your data model to stakeholders or code reviewers using an industry-standard crow's foot diagram that communicates cardinality and referential integrity at a glance.

Academic and Coursework Projects

Demonstrate your understanding of ER modeling and crow's foot notation with a realistic, multi-entity schema that goes well beyond basic textbook examples.

E-Commerce Platform Development

Jumpstart your online store's backend by customizing this complete order-management schema to fit your own product catalog, supplier network, and customer model.

How to Customize

1

Add or rename entities

Click 'Add Entity' in the config panel to introduce new tables, or rename existing ones to match your domain — for example, renaming CUSTOMER to USER or adding a PAYMENT entity.

2

Edit attributes and key types

Select any attribute to change its data type, set it as a PK, FK, or UK, and add optional inline comments to clarify business rules or constraints for your team.

3

Adjust relationships and cardinality

Use the Relationships panel to change source and target cardinality symbols, update relationship labels, or toggle between identifying and non-identifying relationship types.

Why Choose This ERD Template

Key Benefits

Crow's foot notation is the industry standard — instantly recognized by developers, DBAs, and architects worldwide
Pre-built e-commerce schema saves hours of setup and provides a realistic model to learn from or adapt
Interactive zoom and pan makes it easy to navigate complex multi-entity schemas without losing context
Export as PNG or SVG for use in slides, docs, wikis, and technical specifications

Pro Tips

💡Use the self-referencing CATEGORY relationship as a reusable pattern for other hierarchical data like org structures or location trees
💡Group related entities visually by spacing them apart — cluster customer data on one side and product/supplier data on the other for faster readability
💡Add comments to foreign key attributes explaining which parent table they reference — especially helpful when onboarding new engineers to the schema

Create Your Own ER Diagram

Start from this template and model your database schema in minutes — no design tools or SQL required.

or upload your data file

Free to start
No sign-up required
AI-powered

Related Tools

Create similar charts with these tools

ERD Diagram Tool

Create entity relationship diagrams fast with AI. Map tables, primary keys, foreign keys, and relationships visually. No setup required.

Erd

Build ER Diagrams Instantly

Create professional entity relationship diagrams with AI assistance. Define entities, attributes, and relationships visually — no database expertise needed.

Erd

Database Schema Maker

Design database schemas visually with our free ERD maker. Map entities, define relationships, and export clean diagrams in under two minutes.

Erd

Database Diagram Tool

Create entity relationship diagrams instantly. Define entities, attributes, and relationships with an intuitive database diagram tool.

Erd
View All Tools