ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,109, issued on Aug. 5, was assigned to Google LLC (Mountain View, Calif.).
"Database join operations with early filtering" was invented by Xiaobin Ma (Fremont, Calif.) and Xun Cheng (Dublin, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the disclosure are directed to early filtering of candidate rows for a join operator of a query statement before the join operator is evaluated to generate a result set. Early filtering, e.g., before execution of the join operator, reduces the number of candidate rows fetched from a database during a join operator, which can improve the rate at which queries including join operators are executed by ...