ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,834, issued on Aug. 12, was assigned to SAP SE (Walldorf, Germany).
"Using worst-case predicate selectivity for database query plans" was invented by Oliver Horn (Nussloch, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure involves systems, software, and computer implemented methods for using worst-case predicate selectivity for database query plans. One example method includes identifying a query that includes an initial set of parameter values for a set of predicates. An order of predicate evaluation is determined for a query plan by determining a worst-case selectivity for each predicate and ordering the predicates bas...