Question

Data Redundancy means
a. Arrangement of data
c. Sorting of data
b. Duplication of data
d. None of these​

Answer 1

Answer:

Data redundancy occurs when the same piece of data exists in multiple places, whereas data inconsistency is when the same data exists in different formats in multiple tables. Unfortunately, data redundancy can cause data inconsistency, which can provide a company with unreliable and/or meaningless information.

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Answer 2

Data Redundancy occur when the same piece of data exists in multiple place wheareas data inconsistency is when the same data exists in different format in different tables.Unfortunately data redundancy cause data inconsistency which can provide a company unrealiable and meaningless information

Problem caused by data is the first thing is that storing data multiples times.Other one is when the field value changes multiple updates occur