database keyの例文

例文

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1. Sets are generally maintained as linked lists, using the database key as a pointer.
2. Database keys are also used as pointers to implement sets in the form of linked lists and trees.
3. Records can be accessed directly by database key, by following set relationships, or by direct access using key values.
4. Records have identity, the identity being represented by a value known as a "'database key " '.
5. In IDMS, as in most other Codasyl implementations, the database key is directly related to the physical address of the record on disk.