@egoistdeveloper/crows-foot-notations

crows-foot-notations

Crow's foot notations in SVG format with left, right, top and bottom directions. Crow's foot notations are one of many entity-relation notations types and these notations are useful for drawing entity relation endpoints.

See also @VivekMChawla's ERD "Crow's Foot" Relationship Symbols Cheat Sheet

Table of contents

• crows-foot-notations
• Table of contents
  • Installation
  • Base notations
    • Zero
    • One
    • Many
  • Comined Notations
    • Zero or One
    • Zero or Many
    • One and ONLY One
    • One or Many
• Further readings
• Online SVG editor
• Copyrights

Installation

$ npm i @egoistdeveloper/crows-foot-notations

Base notations

Zero

Preview	Direction
	Left
	Right
	Top
	Bottom

One

Preview	Direction
	Left
	Right
	Top
	Bottom

Many

Preview	Direction
	Left
	Right
	Top
	Bottom

Comined Notations

Zero or One

Preview	Direction
	Left
	Right
	Top
	Bottom

Zero or Many

Preview	Direction
	Left
	Right
	Top
	Bottom

One and ONLY One

Preview	Direction
	Left
	Right
	Top
	Bottom

One or Many

Preview	Direction
	Left
	Right
	Top
	Bottom

Further readings

• https://vertabelo.com/blog/crow-s-foot-notation
• https://www.gleek.io/blog/crows-foot-notation.html
• https://medium.com/@marcifey/using-crows-foot-notation-in-an-erd-2910fff5dd05

Online SVG editor

Used @yqnn's svg path editor.

Copyrights

These SVG notations are inspired by @yurigor's codepen.