Method for reserving pages of database

Details Method for reserving pages of database Method for reserving pages of database

2007-04-03

2007-04-03

Wu, Yicun (Department: 2165)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000

Reexamination Certificate

active

10353209

ABSTRACT:
To store data in an insertion process, a process1that inserts data into a new block and a process2that inserts, within the block reserved, data into areas that became free when data was deleted are prepared. A switching event to switch from the process1to the process2is designated in advance. The occurrence of the designated event is checked while executing the process1in an insertion process, and if the designated event occurs, the insertion process executes the process2. If during the execution of the process2, areas that can be reused become depleted, the execution of the insertion process reverts back to the process1. As a result, free areas resulting from deletions can be reused according to the switching event designated.

REFERENCES:
patent: 6411964 (2002-06-01), Iyer et al.
patent: 6668263 (2003-12-01), Cranston et al.
patent: 6834290 (2004-12-01), Pugh et al.
patent: 6865657 (2005-03-01), Traversat et al.
Jim Gray et al., “Transaction Processing: Concepts and Techniques”, ISBN 1-55860-190-2 pp. 758-761, 1993.

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