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What does the term 'denormalization' refer to in database design?

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Question: What does the term \'denormalization\' refer to in database design?

Options:

  1. The process of reducing redundancy
  2. The process of increasing redundancy for performance
  3. The process of normalizing data
  4. The process of creating indexes

Correct Answer: The process of increasing redundancy for performance

Solution: 

Denormalization refers to the process of increasing redundancy in a database to improve performance, often at the cost of data integrity.

What does the term 'denormalization' refer to in database design?

Practice Questions

Q1
What does the term 'denormalization' refer to in database design?
  1. The process of reducing redundancy
  2. The process of increasing redundancy for performance
  3. The process of normalizing data
  4. The process of creating indexes

Questions & Step-by-Step Solutions

What does the term 'denormalization' refer to in database design?
Correct Answer: Denormalization
  • Step 1: Understand what a database is. A database is a collection of data that is organized in a way that makes it easy to access and manage.
  • Step 2: Learn about normalization. Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
  • Step 3: Know what redundancy means. Redundancy is when the same piece of data is stored in multiple places.
  • Step 4: Understand denormalization. Denormalization is the opposite of normalization. It involves intentionally adding redundancy to a database.
  • Step 5: Recognize the purpose of denormalization. The main goal of denormalization is to improve the performance of the database, making it faster to retrieve data.
  • Step 6: Acknowledge the trade-off. While denormalization can improve performance, it can also lead to issues with data integrity, meaning the data might not always be accurate or consistent.
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