Method and apparatus for reapplying changes to a database

Details Method and apparatus for reapplying changes to a database Method and apparatus for reapplying changes to a database

1996-12-18

1999-10-26

Ho, Ruay Lian

Data processing: database and file management or data structures

Database design

Data structure types

707 8, 39518213, G06F 1730

Patent

active

059744251

ABSTRACT:
A method and apparatus for reapplying changes to a database uses a recovery log for recording all changes applied to the database so that the changes may be reapplied to the database during database recovery. Whenever a change is written to a storage device, the recovery log is updated to indicate that the particular change has been written to the storage device. During recovery, the data in the recovery log is sorted by file ID, data block ID, record type and version ID.

REFERENCES:
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patent: 5317731 (1994-05-01), Dias et al.
patent: 5327556 (1994-07-01), Mohan et al.
patent: 5440727 (1995-08-01), Bhide et al.
patent: 5455944 (1995-10-01), Haderle et al.
patent: 5465328 (1995-11-01), Dievendorff et al.

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