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The information, associated with a record of information, that is to be compared in a sorting process. It follows that the sortkeys must be capable of being ordered, i.e. two keys k1 and k2 are such that k1 < k2, k1 = k2, or k1 > k2

k1 < k2, k1 = k2, or k1 > k2

Subjects: Computing.

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