ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,995, issued on March 18, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Increasing index availability in databases" was invented by Sheng Yan Sun (Beijing), Shuo Li (Beijing), Xiaobo Wang (Beijing) and Xin Peng Liu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Increasing index search efficiency and availability in a database is provided. An index space matrix corresponding to a plurality of mini-indices of the database is built using ordered boundary values that correspond to key value ranges of each respective mini-index to increase index search efficiency by removing redundant mini-index accesses. Mini-indices of...