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A customer address is stored in two different tables by mistake. That problem is data:

AReluctance
BReference
CRefinement
DRedundancy
Answer & Solution
Correct answer: D. Redundancy
1. The same fact is held twice. 2. The copies can drift apart. 3. That problem is data redundancy. _Source: OpenStax Introduction to Computer Science, Chapter 8, Data Management._
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