Title:
データベース管理方法および装置およびその処理プログラム
Document Type and Number:
Japanese Patent JP3991760
Kind Code:
B2
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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Inventors:
Sadayuki Ogata
Junichi Nakao
Junichi Nakao
Application Number:
JP2002125175A
Publication Date:
October 17, 2007
Filing Date:
April 26, 2002
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G06F12/00; G06F12/14; G06F11/14; G06F17/30; G06F21/60; G06F21/62; G06F21/64
Domestic Patent References:
| JP8328929A | ||||
| JP10232811A | ||||
| JP2000347918A | ||||
| JP2194422A |
Attorney, Agent or Firm:
Manabu Inoue