ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,083, issued on Aug. 5, was assigned to Amazon Technologies Inc. (Seattle).

"Indexing sub-tables for performant access requests" was invented by Akhilesh Mritunjai (Seattle), Cameron Ryan Alberts (Seattle), Yosseff Levanoni (Redmond, Wash.), Vivek Srivastava (Bellevue, Wash.) and Dolev Ish am (Kirkland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Sub-tables are indexed to implement performant access requests. Sub-tables may be created in a database table. Items may be stored in the table according to an indexing scheme that co-locates items in a same sub-table in an index. Access requests for items in a sub-table may be performed by applying ...