Testing a database transaction system without modifying a...

Details Testing a database transaction system without modifying a... Testing a database transaction system without modifying a...

2007-05-15

2007-05-15

Breene, John (Department: 2162)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C711S162000

Reexamination Certificate

active

10232485

ABSTRACT:
A mechanism for testing a database transaction system without modifying a database is provided. A transaction commit instruction, sent by a transaction manager, is intercepted. The transaction commit instruction is intended to instruct a database driver to cause a transaction to be committed. The transaction commit instruction is prevented from reaching the database. A failure signal is sent back to the transaction manager to indicate a failure to commit the transaction even though the database has not experienced the failure. This enables a failure to be simulated without causing a database to suffer any adverse effects.

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patent: 6799188 (2004-09-01), Weedon
Elmootazbellah N. Elnozahy et al., Manetho: transparent Rollback-Recovery with Low Overhead, Limited Rollback, and Fast Output Commit, IEEE, 1992, 526-531.
J. Hamilton Slye et al., Support for Software Interrupts in Long-Based Rollback-Recovery, IEEE, 1998, 1113-1123.

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