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. 25, 2020
Filed:
Nov. 15, 2017
International Business Machines Corporation, Armonk, NY (US);
Andreas Brodt, Gerlingen, DE;
Oliver Koeth, Stuttgart, DE;
Daniel Martin, Stuttgart, DE;
Knut Stolze, Hummelshain, DE;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A computer program product and system include a first database engine that maintains a first database, a second database engine that maintains a second database, a table that has a first instance in the first database and a second instance in the second database, and program instructions to execute write transactions, asynchronously pool the changes of the first instance, responsive to receiving a query against the table, determine to execute the query against the second instance, identify a first time, define a current replication batch that selectively comprises the pooled changes of the transactions before the first time, asynchronously replicate the current replication batch, store each change, assign a batch-ID to the query, send the query and the batch-ID to the second engine, respond to the current replication batch being completed, by executing the query on the second instance, and return results of the query execution on the second instance.