Computer Science Ques 163

Question: When data changes in multiple lists and all lists are not updated. this causes_______

Options:

A) Data redundancy

B) (b)Information overload

C) Duplicate data

D) Data inconsistency

E) Data repetition

Show Answer

Answer:

Correct Answer: D

Solution:

  • Data inconsistency exists when different and conflicting versions of t lie same data appear in different places. Data inconsistency creates unreliable ii .format ion. Because it will be Different to determine which version of the information is correct Data inconsistency is likely to occurs when there is data redundancy. Data redundancy occur when the data file/database file contains redundant-unnecessarily duplicated-data.
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