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:
Feb. 21, 2012
Filed:
Sep. 11, 2003
Richard Wiss, Boulder, CO (US);
Naveen Puttagunta, Milpitas, CA (US);
Derek Gerald Reiger, Westminster, CO (US);
David R. Setzke, Jr., Boulder, CO (US);
Richard Wiss, Boulder, CO (US);
Naveen Puttagunta, Milpitas, CA (US);
Derek Gerald Reiger, Westminster, CO (US);
David R. Setzke, Jr., Boulder, CO (US);
Sybase, Inc., Dublin, CA (US);
Abstract
A system providing improved methods for data replication is described. A method for replicating a transaction from a primary database to a replicate database while the replicate database remains available for use comprises: recording information about a transaction being performed at a primary database in a transaction log; synchronously copying the information about the transaction in the transaction log to a mirrored transaction log; generating a reconstructed transaction based on the information about the transaction copied to the mirrored transaction log; and applying the reconstructed transaction at the replicate database while the replicate database remains available for use.