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. 05, 2020
Filed:
Jan. 19, 2017
Oracle International Corporation, Redwood Shores, CA (US);
Kothanda Umamageswaran, Sunnyvale, CA (US);
Krishnan Meiyyappan, Fremont, CA (US);
Adrian Tsz Him Ng, Redwood City, CA (US);
Vijay Sridharan, Santa Clara, CA (US);
Wei Zhang, Foster City, CA (US);
Ke Hu, Foster City, CA (US);
Xin Zeng, Foster City, CA (US);
Oracle International Corporation, Redwood Shores, CA (US);
Abstract
According to embodiments, a derived cache that is derived from a first instance of particular data is used to speed up queries and other operations over a second instance of the particular data. Traditionally, a DBMS generates and uses derived cache data only for the database data from which the derived data was derived. However, according to embodiments, derived cache data associated with a first instance of database data is relocated to the location of a second, newly created, instance of the database data. Since the derived cache data is derived from an identical copy of the database data, the cache data derived for the first instance can successfully be used to speed up applications running over the second instance of the database data.