Database managing method and system having data backup...

Details Database managing method and system having data backup... Database managing method and system having data backup...

2007-09-11

2007-09-11

Gaffin, Jeffrey (Department: 2165)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000

Reexamination Certificate

active

10414494

ABSTRACT:
A backup method is provided for backing up a data base of an additional storage type that added data is not updated and deleted. An attribute of data update refusal, i.e., an attribute of only data reference permission is set to each storage area in which a table is stored. It is judged for each storage area that a file once backed up is not necessary to be backed up again. Data stored in the storage area and backed up as the collective backup or divisional backup is not backed up again. The backup time can therefore be shortened.

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