The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 2009
Filed:
Mar. 03, 2006
Bruce D. Holenstein, Media, PA (US);
Paul J. Holenstein, Downingtown, PA (US);
Gary E. Strickler, Pottstown, PA (US);
William A. Grimm, Coatesville, PA (US);
Wilbur H. Highleyman, Blairstown, NJ (US);
Bruce D. Holenstein, Media, PA (US);
Paul J. Holenstein, Downingtown, PA (US);
Gary E. Strickler, Pottstown, PA (US);
William A. Grimm, Coatesville, PA (US);
Wilbur H. Highleyman, Blairstown, NJ (US);
Gravic, Inc., Malvern, PA (US);
Abstract
Transactions are replicated from a source database to a target database in a data replication system. The system includes a first memory location that persistently stores statement text associated with transactions to be replicated. Transactions to be replicated are cached by separating the transactions into statement text and statement data. A determination is made as to whether the statement text has been previously stored in the first memory location. If not, then the statement text is persistently stored to the first memory location. A similar scheme is provided for replicating I/O operations.