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:
Mar. 01, 2011
Filed:
Jul. 12, 2007
Murali Thiyagarajan, Concord, NH (US);
Praveen Kumar, Bangalore, IN;
Murali Thiyagarajan, Concord, NH (US);
Praveen Kumar, Bangalore, IN;
Oracle International Corporation, Redwood Shores, CA (US);
Abstract
A query statement, issued to a local database server, is re-written. The query references at least one of a first or a second object. The first object is remote with respect to the local database server, for accessing a first materialized view that is local or remote with respect to the local database server. The second object is local with respect to the local database server, to access a second materialized view that is remote with respect to the local database server. Rewriting the query can include dynamically tracking a staleness state associated with one or more of the materialized views.