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Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Instructions: Read the following Case Study and create a context diagram .

 

When a patient arrives at ACME Medical with a prescription refill, the receptionist checks the prescription file for the previous prescription number and adds the prescription to the system. This has to be electronically authorized by a doctor before the resident pharmacist can dispense the medication. The system sends a cell phone notification to the doctor of any incoming prescriptions. The pharmacist dispenses the medication to the patient after receiving authorization. If the patient is entitled to free prescriptions, the pharmacist verifies this in the system and fills in the appropriate details on an electronic form, which is filed in the free prescriptions file. Otherwise the pharmacist takes the customers payment information, enters it into the system and gives the patient a receipt.

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