Database management apparatus and recording medium with database management program recorded thereon
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 20, 2012
Grant Date -
Sep 29, 2011
app pub date -
Feb 28, 2011
filing date -
Mar 26, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A database management apparatus is provided with a setting unit that receives a snapshot request and records information indicating an extraction range to a memory, an extraction unit that sequentially extracts records and records the extracted records to another area, a monitoring unit that records information indicating an extraction-completed area and an extraction-remaining area, an update unit that judges whether a record targeted by an update instruction for update by a subsequent transaction is in the extraction-completed area, updates the update target record in the extraction-completed area if in the extraction-completed area, and records a map of the update target record in the extraction-remaining area to an area outside the extraction range and updates the map if in the extraction-remaining area, and a restore unit that updates the update target record to be the same as the map, after extraction of the update target record is completed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully