Doctors have id. name. date of birth. and specialty. Patients have id. name, and date of birth. and address. Medicines have name. patent number, and milligrams We want to build A database that keeps track of the medicines prescribed by a doctor to patients The prescription process happens in a hospital. (a) Draw a complete Entity-Relationship diagram for the description above. You must include all the details, such as keys, weak entities (if any). cardinality constraints., etc Your diagram must use n-ary relationships You must use arrow notation Your diagram must avoid redundancy.
Doctors have id. name. date of birth. and specialty. Patients have id. name, and date of birth. and address. Medicines have name. patent number, and milligrams We want to build A database that keeps track of the medicines prescribed by a doctor to patients The prescription process happens in a hospital. (a) Draw a complete Entity-Relationship diagram for the description above. You must include all the details, such as keys, weak entities (if any). cardinality constraints., etc Your diagram must use n-ary relationships You must use arrow notation Your diagram must avoid redundancy.
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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Doctors have id. name. date of birth. and specialty. Patients have id. name, and date of birth.
and address. Medicines have name. patent number, and milligrams We want to build
A database that keeps track of the medicines prescribed by a doctor to patients
The prescription process happens in a hospital.
(a) Draw a complete Entity-Relationship diagram for the description above.
You must include all the details, such as keys, weak entities (if any). cardinality constraints., etc
Your diagram must use n-ary relationships
You must use arrow notation
Your diagram must avoid redundancy.
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