ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,647, issued on March 24, was assigned to SAP SE (Walldorf, Germany).
"Query execution system with plan reuse" was invented by Christian Bensberg (Heidelberg, Germany) and Johannes Merx (Heidelberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "System, method, and various embodiments for a query execution system with plan reuse are described herein. An embodiment operates by receiving a query on a database, the received query comprising one or more constants. Normalization is performed on the query, replacing the one or more constants with a variable-indicator. The normalized query is compared to one or more previously executed queries to i...