US Patent Issued to SAP on May 26 for "Database operator clause variable calculation in distributed systems" (German Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,306, issued on May 26, was assigned to SAP SE (Walldorf, Germany).

"Database operator clause variable calculation in distributed systems" was invented by Paul Willems (Heidelberg, Germany) and Till Merker (Sandhausen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an example embodiment, a query plan is modified/generated to insert a new shared subplan relation between the operator-at-issue and its input (e.g., the child operator). The shared subplan relation has two references, one of which is connected to the operator-at-issue and one of which is connected to an aggregation operator. A new operator is then inserted as a parent of the aggr...