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entity relationship diagram · transportation · database design

Tricycle Association Management System ER Diagram

Type Entity-Relationship Diagram (ERD)Standard Chen 1976 / Everest 1976 (crow's foot)Engine schematex-erdUpdated 6/22/2026
Tricycle Association Management System ER Diagram
Drawing preview
The scenario

A tricycle association manages multiple tricycles owned by individuals, each requiring periodic registration and maintenance tracking.

What is in this drawing

Read the decisions behind it.

01

One-to-many linking of tricycle to owner via FK

02

Separate registration entity for annual renewals

03

Maintenance as a standalone entity per service event

Any fleet management system for motorized tricycles or similar public utility vehicles.

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