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In a DBMS architecture, what does the term 'data independence' refer to?

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Question: In a DBMS architecture, what does the term \'data independence\' refer to?

Options:

  1. The ability to change the data structure without affecting the application
  2. The ability to access data from multiple sources
  3. The ability to store data in different formats
  4. The ability to secure data from unauthorized access

Correct Answer: The ability to change the data structure without affecting the application

Solution: 

Data independence refers to the ability to change the data structure without affecting the applications that use the data.

In a DBMS architecture, what does the term 'data independence' refer to?

Practice Questions

Q1
In a DBMS architecture, what does the term 'data independence' refer to?
  1. The ability to change the data structure without affecting the application
  2. The ability to access data from multiple sources
  3. The ability to store data in different formats
  4. The ability to secure data from unauthorized access

Questions & Step-by-Step Solutions

In a DBMS architecture, what does the term 'data independence' refer to?
Correct Answer: Data independence
  • Step 1: Understand that a DBMS (Database Management System) is software that helps manage databases.
  • Step 2: Know that applications are programs that use data from the database.
  • Step 3: Realize that data structures are the way data is organized in the database.
  • Step 4: Learn that 'data independence' means you can change how data is organized (the data structure) without needing to change the applications that use that data.
  • Step 5: For example, if you add a new field to a database table, the applications can still work without any changes.
  • Data Independence – The ability to change the data structure without affecting the applications that use the data.
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