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The same piece of data held in two separate places in a database creates:

ARegistration
BRedundancy
CReflection
DRefactoring
Answer & Solution
Correct answer: B. Redundancy
1. Two copies can drift out of step with each other. 2. A DBMS exists partly to control this problem. 3. That problem is data redundancy. _Source: OpenStax Introduction to Computer Science, Chapter 8, Data Management._
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