Modern Database Management (12th Edition)
Modern Database Management (12th Edition)
12th Edition
ISBN: 9780133544619
Author: Jeffrey A. Hoffer, Ramesh Venkataraman, Heikki Topi
Publisher: PEARSON
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Chapter 5, Problem 5.34PAE
Program Plan Intro

Identification of the denormalization opportunities for the given relations as a part of physical design of database and circumstances under which it is suitable to create such denormalized relations.

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Consider the following normalized relations from a database in a large retail chain What opportunities might exist for denormalizing these relations when defining the physical records for this database? Under what circumstances would you consider creating such denormalized records?
NOTE: please explain better .      Question 4  You have just been hired as a consultant for a big Health Care provider. Impressed by your background in databases, they want you to completely redesign their database system. Talking with the people at the HC provider, you get the following information (be very careful on some of these attributes, and apply everything you have learned to this point:   - The database contains information about patients, hospitals and doctors.   - Each patient has an ID, first name, last name, address and age.  A patient is    uniquely identified by his or her ID.   - Each hospital has an id, name and budget. The id uniquely identifies a hospital.   - Each doctor an id, a full name, email address and a favorite movie. The id   uniquely identifies a doctor.   - Each patient can be treated at many hospitals, a hospital can treat many patients.   - Each doctor can work at only one hospital.  A hospital can have many doctors.   4.1)  Draw the…
You receive the following requirements for a caterer's database: For a customer, store a customer ID, last name, first name, billing address, and phone number For an order, store an order number, order date, event date, customer ID, description of services, and total price for services When designing this database, which step do you take first?   a. Identify the customer ID and order number as unique identifiers. b. Identify and name the entities CUSTOMER and ORDER c. Identify customer ID, last name, first name, billing address, and phone number as attributes d. Create a CUSTOMER table that includes all the customers' attributes as columns

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Modern Database Management (12th Edition)

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