상황
A gas station needs to track fuel deliveries from suppliers, storage tank readings, pump/nozzle assignments, and retail sales with line items to manage inventory and POS operations.
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01
Separate Delivery and DeliveryLine for multi-product fuel orders
02
Optional customer relation on Sale for walk-in vs fleet accounts
03
TankReading table records dip readings for reconciliation
Use when designing a database for fuel stations or similar bulk inventory with metered dispensing and point-of-sale.