Topic: Database Design Come up with an example of why you may need/want to go through the process of denormalizing a Database Table(s)

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
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Topic: Database Design

Come up with an example of why you may need/want to go through the process of denormalizing a Database Table(s)

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Step 1

Denormalization:

  • It is a technique used by the database chiefs or managers to increase the performance of a database framework.
  • It includes adding excess information to a standardized database to diminish particular sorts of issues with database inquiries that consolidate information from different tables into a solitary or master table.
  • It includes making separate tables or structures with the goal that query for one snippet of data won't influence the other relevant data or information attached to it.
Step 2

Example of denormalization a Database:

There are numerous kinds of denormalization process. For straightforwardness, we will look into the process that is generally called as "Storing detail information in master table".

For instance, consider the scenario, where we need to use some sections or segments of the master tables. For instance, when you inquiry "Client" table, you are probably going to utilize the "Client Address" table segments, for example, city, state, postal district, and so on. In this model, we will denormalize the client table to include the required segments from the address table. So, here, both the client and client address table needs to be merged together. so, that all the records can be found in the single master table.

 

Note that, this strategy proves to be more helpful when there are a few records in the table. On the other hand, if the size of the table is larger or big then it will be very difficult to reconstruct it.

 

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