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1. Knowledge
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1.1 Classification and unique identification |
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Article 27-Constancy of purpose of a data item for its lifetime |
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Constancy of purpose of a data item for its lifetime |
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In contrast to its use, once mapped, a data item can be said to have a constancy of purpose for its lifetime. For example, once defined, a data item storing the
surname of a person will always hold the surname of a person.
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