DATABASE CONCEPTS+MYITLAB
DATABASE CONCEPTS+MYITLAB
18th Edition
ISBN: 9780134821245
Author: KROENKE
Publisher: PEARSON C
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Chapter 5, Problem 5.5RQ

Explanation of Solution

Denormalization:

A process of combining two relations into one new relation is called as “Denormalization”.

Example:

Consider the example of denormalization is as follows:

Normalized table:

Sales:

Sales_id Sales_date Sales_person

Product:

Tax_id Sales_id Itm_id Item_quantity Sales_rs

After denormalization the “Product” table is as follows:

Tax_id Sales_date Sales_person Sales_id Item_id

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