On-line database duplication with incorporation of concurrent da

Details On-line database duplication with incorporation of concurrent da On-line database duplication with incorporation of concurrent da

1997-12-30

2000-02-08

Homere, Jean R.

Data processing: database and file management or data structures

Database design

Data structure types

707204, 39518204, 39518209, 39518211, G06F 1108

Patent

active

060237074

ABSTRACT:
A system is provided for duplication of an update database in a computer using partial data extraction. A copying module creates a copy database, including a partial copy, of the update database. A journal selecting module selects data, related to parts of the copy database in which the copy has finished, from an update data journal of the update database that is made when the copy database is being copied by the copying module. A duplication module updates the contents of the copy database created by the copying module with the contents of the update data journal selected by the journal selecting module.

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