DATABASE
Pet Clinic Pharmacy ER Diagram
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CASE ANALYSIS
Scenario
A pet clinic and pharmacy need a database to manage customers, their pets, clinic visits, medication prescriptions, and online orders. This ER diagram captures the required entities and relationships.
Key decisions
- Added optional prescription-orders relationship to allow over-the-counter purchases.
- Used OrderItem as a separate table to handle multiple medications per order.
- Connected Prescription to Pet, Clinic, and Medication for complete medical tracking.
When to reuse this
When designing a system for a veterinary pharmacy that manages pets, owners, clinics, and prescription-based or direct medication orders.
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