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公开(公告)号：GB2487139A
公开(公告)日：2012-07-11
申请号：GB201201716
申请日：2010-10-08
Applicant: IBM
Inventor： DAWSON ERIKA MARIANNA , GOLDSMITH KEVIN , CORKHILL BRIAN , DAWSON COLIN SCOTT
IPC: G06F17/30
Abstract: A system to synchronize a database and a non-database resource includes an application to transmit a request to a service provider to perform an action. The service provider receives the request and performs the action, the action not being under commit coordination. The service provider further inserts an entry into an action-reversal table to reverse the action and makes the insertion permanent. The service provider, on behalf of the application, then deletes the entry from the action-reversal table. The application may then be configured to perform one of the following: (1) make the delete permanent by performing a COMMIT; and (2) roll back the delete by performing a ROLLBACK. At a later time, the service provider may reverse the action in the event the entry remains in the action-reversal table. Corresponding methods and articles of manufacture (i.e., computer-readable media) are also disclosed herein.
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公开(公告)号：GB2367163A
公开(公告)日：2002-03-27
申请号：GB0109568
申请日：2001-04-19
Applicant: IBM
Inventor： CANNON DAVID MAXWELL , DAWSON COLIN SCOTT , MARTIN HOWARD NEWTON
Abstract: A method, apparatus, and computer program are disclosed for a computer-implemented technique for generating file copies with minimal mounting and positioning of storage volumes. The method receives a request to generate file copies specifying file selection criteria, identifies matching files meeting the selection criteria, locates the matching files on their storage volumes, and copies the files to a copy set. Determination of file copying order is optimized by placing greater emphasis on relative storage locations of matching files than on the order in which their copies are requested. The method ensures that each matching file is included, without duplication, in the copy set.
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