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:
Jul. 21, 2020
Filed:
Aug. 27, 2018
Oracle International Corporation, Redwood Shores, CA (US);
Venkatesh Sakamuri, San Mateo, CA (US);
Huagang Li, San Jose, CA (US);
Sankar Subramanian, Cupertino, CA (US);
Andrew Witkowski, Foster City, CA (US);
Oracle International Corporation, Redwood Shores, CA (US);
Abstract
A method and system for processing database queries containing aggregate functions. The query may specify fewer groups than there are processes available to process the queries. Further, the queries may target a set of rows and specify a sort-by key and a group-by key. The method and system further includes determining that the queries specify application of the aggregate function to each of a plurality of groups that may correspond to a plurality of distinct values of the group-by key and determining that plurality of processes are available to process the queries. The method and system also includes determining the plurality of ranges of a composite key that may be formed by combining the group-by key and the sort-by key and assigning each range of the plurality ranges to a corresponding process to calculate the aggregate function.