ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,123, issued on Nov. 18, was assigned to SAP SE (Walldorf, Germany).

"Proactive query plan compilation" was invented by Jaehyok Chong (Seoul, South Korea), Won Jun Chang (Seoul, South Korea) and Youngbin Bok (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Computer-readable media, methods, and systems are disclosed for proactively compiling in-memory database management system (DBMS) query plans upon startup of the in-memory DBMS. During normal operation of the in-memory DBMS, alternative query plans having associated execution statistics are collected and captured. Thereafter, the alternative query plans are selectively persisted a...