Multiple choice

Which of the following statements refers to the data independence property of a database?

  1. Primary key and foreign key of a database are not the same.

  2. Structure of the database is not defined during the database construct.

  3. Users are not affected by changes to the structure of the database.

  4. Structure of the database can be altered by anyone.

  5. Changes made to the physical structure is affected to the logical structure of the database.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct meaning of the data independence property of the database, as users are not affected by changes made to the structure of the database.

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