シナリオ
A tricycle association manages multiple tricycles owned by individuals, each requiring periodic registration and maintenance tracking.
この図に含まれるもの
図の背後にある意思決定を読み解く。
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.