A) Data redundancy
B) Data encapsulation
C) Data normalization
D) Data hiding
E) Data dumping
Correct Answer: A
Solution :
[a] Data redundancy is a condition created within a data base or data storage technology in which the same piece of data is held in two separate places. This can mean two different fields within a single database, or two different spots in multiple software environments or platforms. Whenever data is repeated, this basically constitutes data redundancy. This can occur by accident, but is also done deliberately for backup and recovery purposes.
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