シナリオ
Design a database to track IT assets, their associated vendors, maintenance requests, assigned technicians, and parts usage during maintenance activities.
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
Composite primary key on PartUsage to allow many-to-many between parts and maintenance records with quantity tracking.
02
Status fields on Asset and MaintenanceRequest to monitor lifecycle and request progress.
03
Foreign keys link maintenance records to both requests and technicians for accountability.
Use this as a foundation for any IT or facilities maintenance system requiring asset tracking, vendor management, and work order processing.