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:
Apr. 09, 2013
Filed:
Jun. 01, 2011
Chengzi Xu, Shanghai, CN;
Stephen C. Shepherd, Lakewood, CO (US);
Chengzi Xu, Shanghai, CN;
Stephen C. Shepherd, Lakewood, CO (US);
Sybase Inc., Dublin, CA (US);
Abstract
Systems, methods and computer program product embodiments for auto-correction in database replication are disclosed herein. An embodiment includes receiving a log record of one or more database row changes on a table marked for replication. From the received log record, one or more insert operations on the marked table are identified. Each identified insert operation is automatically replaced with a first pair of operations, where each first pair comprises a delete operation associated with a new insert operation. Each first pair, when executed at a replicate database, acts to delete data at a first location identified by each identified insert operation prior to inserting data of the new insert operation at the first location. The embodiment further includes identifying, from the log record, one or more update operations on the marked table, and automatically replacing each identified update operation with a second pair of operations, where each second pair comprises a new delete operation associated with a new insert operation.
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