Which of the following is a major disadvantage of excessive data redundancy?

Options

  • A. Increased storage consumption
  • B. Possibility of inconsistent data
  • C. Difficulty maintaining duplicate information
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

D. More than one of the above

Detailed Explanation

  • Storage consumption: Duplicate information uses additional storage space.
  • Data inconsistency: Different copies may contain different values.
  • Maintenance difficulty: Multiple copies must be kept synchronized.
  • These are common disadvantages of excessive redundancy.