Draw a clear and complete ER The database is for a portion of a healthcare organization that tracks the tests performed on patients. Thedetails are given bellow:1. Each doctor has a doctor ID (unique), name, and specialty.2. Each patient has a patient ID (unique), name, address, and one or more symptoms.3. The organization has the ability to perform a variety of tests. Each test has a test ID (unique), name,description, and cost.4.Each time a test is performed on a patient, the database shall record the date of the test, the result ofthe test, and the doctor who performed the test. It should be noted that a particular test is neverperformed on a particular patient more than once on any given day.DoctorTestTypePatient

Answered: The database is for a portion of a…

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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Draw a clear and complete ER

The database is for a portion of a healthcare organization that tracks the tests performed on patients. The
details are given bellow:
1. Each doctor has a doctor ID (unique), name, and specialty.
2. Each patient has a patient ID (unique), name, address, and one or more symptoms.
3. The organization has the ability to perform a variety of tests. Each test has a test ID (unique), name,
description, and cost.
4.
Each time a test is performed on a patient, the database shall record the date of the test, the result of
the test, and the doctor who performed the test. It should be noted that a particular test is never
performed on a particular patient more than once on any given day.
Doctor
TestType
Patient

Expert Solution

Step 1 ER Diagram Overview

The entity-relationship diagram of patient management system shows all the visual instrument of data tables and the relations between Patients, Attendants, doctors, medicines, tests etc. It utilized structure data and to characterize the connections between organized information gatherings of patients and doctors relationships. The Patients management system assists register with finishing patient data. It catches and stores the clinical history, treatment required, subtleties of their past visits, tests and its future appointments if any.

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