Patents by Inventor David Mark Herbert

David Mark Herbert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Data recovery in a transactional database using write-ahead logging and file caching
    Patent number: 6173292
    Abstract: A method, apparatus, and article of manufacture for providing transaction control for a computer-implemented database management system. The database management system manages one or more databases, wherein each of the databases contains one or more documents and each document contains one or more objects. The database management system also supports a file cache for those databases. A transaction control system provides transaction control for the databases, documents, and objects managed by the database management system, wherein the transaction control system monitors and controls the file cache to ensure that modified objects are stored on a data storage device in manner that reflects an accurate status for a log file maintained by the transaction control system.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: January 9, 2001
    Assignee: International Business Machines Corporation
    Inventors: Ronald Jason Barber, David Mark Herbert, Chandrasekaran Mohan, Amit Somani, Steven John Watts, Markos Zaharioudakis