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What is the main advantage of using indexes in a database?

Practice Questions

Q1
What is the main advantage of using indexes in a database?
  1. To reduce data redundancy
  2. To speed up data retrieval
  3. To enforce data integrity
  4. To simplify database design

Questions & Step-by-Step Solutions

What is the main advantage of using indexes in a database?
  • Step 1: Understand that a database stores a lot of information.
  • Step 2: Realize that finding specific information in a large database can take a long time.
  • Step 3: Learn that an index is like a shortcut or a map that helps you find information faster.
  • Step 4: Know that when you use an index, the database can quickly locate the data you need without searching through everything.
  • Step 5: Conclude that the main advantage of using indexes is that they make data retrieval much quicker.
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