Data base management system for recovering from an abnormal cond

Details Data base management system for recovering from an abnormal cond Data base management system for recovering from an abnormal cond

1994-12-14

1998-03-03

Amsbury, Wayne

395608, 395619, 395620, 39518217, 395444, 39518204, G06F 1730

Patent

active

057245819

ABSTRACT:
In a data base management system, a checkpoint is recorded at appropriate intervals by recording a checkpoint during the process of a transaction and during the update of a logical page by providing a page table management table for managing a page table by a shadow page method. The page table also manages by the shadow page method a physical page corresponding to each logical page of a data base.

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