What is the purpose of normalization in a database?

Practice Questions

Q1
What is the purpose of normalization in a database?
  1. To increase redundancy
  2. To eliminate data anomalies
  3. To improve query performance
  4. To simplify database design

Questions & Step-by-Step Solutions

What is the purpose of normalization in a database?
Correct Answer: Normalization helps in organizing data efficiently.
  • Step 1: Understand that databases store information in tables.
  • Step 2: Recognize that sometimes the same information can be stored in multiple places, which is called redundancy.
  • Step 3: Realize that having the same data in many places can lead to mistakes, known as data anomalies.
  • Step 4: Learn that normalization is a method used to organize the data in a way that reduces redundancy.
  • Step 5: Know that by organizing the data properly, normalization helps keep the data accurate and consistent.
  • Step 6: Conclude that the main purpose of normalization is to make the database more efficient and reliable.
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