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:
May. 17, 2011
Filed:
Jun. 14, 2001
David M. Alpern, San Jose, CA (US);
Ronald M. Decker, Plymouth, CA (US);
James Feenan, Windham, NH (US);
Sanjay Hemant Kaluskar, Mountain View, CA (US);
Christopher P. Racicot, Mountain View, CA (US);
Anindo Roy, Fremont, CA (US);
Eric P. Voss, Redwood City, CA (US);
David M. Alpern, San Jose, CA (US);
Ronald M. Decker, Plymouth, CA (US);
James Feenan, Windham, NH (US);
Sanjay Hemant Kaluskar, Mountain View, CA (US);
Christopher P. Racicot, Mountain View, CA (US);
Anindo Roy, Fremont, CA (US);
Eric P. Voss, Redwood City, CA (US);
Oracle International Corporation, Redwood Shores, CA (US);
Abstract
A cache with a database system that contains a subset of the objects stored in another database system. The cache database system responds to a request that contains a reference to an object that is not in the cache by redirecting the request to the other database system when the request is executed in the cache's database system. Redirection is done by rewriting requests that refer to objects that are not in the cache. In one kind of rewriting, a cursor is marked to indicate redirection, and when the cursor is executed in the cache database system, it is redirected to the other database system for execution. In the other kind, calls to stored procedures that are not present in the cache database system are rewritten as remote procedure calls to the stored procedures in the other database system.