split key

名词 n.

英文释义

名词 n.
  1. A key split at one end like a split pin, for the same purpose.
    — A split pin is also a split key, because both are used to lock or fasten pieces of machinery together.
  2. A key value used to identify where to split the children of a parent node in a B-tree or similar data structure.
    — As with B+-trees, records with keys greater than or equal to the split key go to a new current node, records with keys less than the split key remain in the original node.
  3. A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.
    — Moreover, even those systems (such as split key systems) that can decrease these risks, do so with a marked increase in cost.

词形变化

split keys plural
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